src/events/SDL_mouse.c
author Wim Looman <ghostunderscore@gmail.com>
Sat, 04 Feb 2012 00:13:21 +1300
changeset 6302 b0ae93a5b8d6
parent 6301 e8a69c5378e7
child 6666 018f8019ce36
permissions -rwxr-xr-x
Make mouse relative mode save the original co-ordinates to restore them properly.
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely, subject to the following restrictions:
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  1. The origin of this software must not be misrepresented; you must not
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     claim that you wrote the original software. If you use this software
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     in a product, an acknowledgment in the product documentation would be
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     appreciated but is not required.
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  2. Altered source versions must be plainly marked as such, and must not be
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     misrepresented as being the original software.
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  3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_config.h"
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/* General mouse handling code for SDL */
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#include "SDL_events.h"
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#include "SDL_events_c.h"
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#include "default_cursor.h"
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#include "../video/SDL_sysvideo.h"
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/* The mouse state */
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static SDL_Mouse SDL_mouse;
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/* Public functions */
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int
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SDL_MouseInit(void)
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{
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    SDL_Mouse *mouse = SDL_GetMouse();
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    mouse->cursor_shown = SDL_TRUE;
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    return (0);
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}
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void
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SDL_SetDefaultCursor(SDL_Cursor * cursor)
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{
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    SDL_Mouse *mouse = SDL_GetMouse();
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    mouse->def_cursor = cursor;
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    if (!mouse->cur_cursor) {
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        SDL_SetCursor(cursor);
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    }
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}
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SDL_Mouse *
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SDL_GetMouse(void)
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{
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    return &SDL_mouse;
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}
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SDL_Window *
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SDL_GetMouseFocus(void)
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{
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    SDL_Mouse *mouse = SDL_GetMouse();
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    return mouse->focus;
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}
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void
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SDL_SetMouseFocus(SDL_Window * window)
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{
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    SDL_Mouse *mouse = SDL_GetMouse();
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    if (mouse->focus == window) {
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        return;
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    }
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    /* See if the current window has lost focus */
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    if (mouse->focus) {
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        SDL_SendWindowEvent(mouse->focus, SDL_WINDOWEVENT_LEAVE, 0, 0);
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    }
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    mouse->focus = window;
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    if (mouse->focus) {
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        SDL_SendWindowEvent(mouse->focus, SDL_WINDOWEVENT_ENTER, 0, 0);
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    }
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}
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int
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SDL_SendMouseMotion(SDL_Window * window, int relative, int x, int y)
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{
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    SDL_Mouse *mouse = SDL_GetMouse();
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    int posted;
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    int xrel;
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    int yrel;
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    int x_max = 0, y_max = 0;
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    if (window) {
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        SDL_SetMouseFocus(window);
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    }
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    /* the relative motion is calculated regarding the system cursor last position */
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    if (relative) {
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        xrel = x;
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        yrel = y;
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        x = (mouse->last_x + x);
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        y = (mouse->last_y + y);
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    } else {
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        xrel = x - mouse->last_x;
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        yrel = y - mouse->last_y;
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    }
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    /* Drop events that don't change state */
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    if (!xrel && !yrel) {
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#if 0
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        printf("Mouse event didn't change state - dropped!\n");
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#endif
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        return 0;
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    }
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    /* Update internal mouse coordinates */
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    if (mouse->relative_mode == SDL_FALSE) {
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   126
        mouse->x = x;
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   127
        mouse->y = y;
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diff changeset
   128
    } else {
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   129
        mouse->x += xrel;
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   130
        mouse->y += yrel;
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   131
    }
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523b10db69f8 There's no reason to add extra code to notify the mice of window size changes.
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   132
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   133
    SDL_GetWindowSize(mouse->focus, &x_max, &y_max);
5370
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   134
    --x_max;
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   135
    --y_max;
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diff changeset
   136
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   137
    /* make sure that the pointers find themselves inside the windows */
6ce28e5287e9 Date: Sun, 07 Dec 2008 13:35:23 +0100
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   138
    /* only check if mouse->xmax is set ! */
5370
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   139
    if (mouse->x > x_max) {
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   140
        mouse->x = x_max;
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diff changeset
   141
    }
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diff changeset
   142
    if (mouse->x < 0) {
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diff changeset
   143
        mouse->x = 0;
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   144
    }
2860
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diff changeset
   145
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diff changeset
   146
    if (mouse->y > y_max) {
2860
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parents: 2859
diff changeset
   147
        mouse->y = y_max;
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diff changeset
   148
    }
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diff changeset
   149
    if (mouse->y < 0) {
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   150
        mouse->y = 0;
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diff changeset
   151
    }
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   152
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   153
    mouse->xdelta += xrel;
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   154
    mouse->ydelta += yrel;
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   155
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parents: 4429
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   156
#if 0 /* FIXME */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
diff changeset
   157
    /* Move the mouse cursor, if needed */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
diff changeset
   158
    if (mouse->cursor_shown && !mouse->relative_mode &&
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
diff changeset
   159
        mouse->MoveCursor && mouse->cur_cursor) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
diff changeset
   160
        mouse->MoveCursor(mouse->cur_cursor);
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parents: 1525
diff changeset
   161
    }
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3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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diff changeset
   162
#endif
0
74212992fb08 Initial revision
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parents:
diff changeset
   163
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   164
    /* Post the event, if desired */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
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   165
    posted = 0;
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3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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parents: 4429
diff changeset
   166
    if (SDL_GetEventState(SDL_MOUSEMOTION) == SDL_ENABLE) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
diff changeset
   167
        SDL_Event event;
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   168
        event.motion.type = SDL_MOUSEMOTION;
4465
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parents: 4429
diff changeset
   169
        event.motion.windowID = mouse->focus ? mouse->focus->id : 0;
1895
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parents: 1525
diff changeset
   170
        event.motion.state = mouse->buttonstate;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
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   171
        event.motion.x = mouse->x;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   172
        event.motion.y = mouse->y;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
diff changeset
   173
        event.motion.xrel = xrel;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
diff changeset
   174
        event.motion.yrel = yrel;
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parents: 1525
diff changeset
   175
        posted = (SDL_PushEvent(&event) > 0);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
diff changeset
   176
    }
3112
8f3fd508734b New last cursor position must rely on the clamped coordinates.
Mike Gorchak <lestat@i.com.ua>
parents: 2940
diff changeset
   177
    mouse->last_x = mouse->x;
8f3fd508734b New last cursor position must rely on the clamped coordinates.
Mike Gorchak <lestat@i.com.ua>
parents: 2940
diff changeset
   178
    mouse->last_y = mouse->y;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   179
    return posted;
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diff changeset
   180
}
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diff changeset
   181
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   182
int
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diff changeset
   183
SDL_SendMouseButton(SDL_Window * window, Uint8 state, Uint8 button)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   184
{
5371
fc3d3d580777 Fixed the responder chain for event handling, the listener fully handles mouse events - even in fullscreen mode.
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parents: 5370
diff changeset
   185
    SDL_Mouse *mouse = SDL_GetMouse();
1895
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diff changeset
   186
    int posted;
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faa9fc8e7f67 General improvements for user custom event registration
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diff changeset
   187
    Uint32 type;
1895
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diff changeset
   188
4484
9322f7db8603 Cleaned up the mouse window focus handling: you always pass in the relative window when sending a mouse event.
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parents: 4465
diff changeset
   189
    if (window) {
9322f7db8603 Cleaned up the mouse window focus handling: you always pass in the relative window when sending a mouse event.
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parents: 4465
diff changeset
   190
        SDL_SetMouseFocus(window);
9322f7db8603 Cleaned up the mouse window focus handling: you always pass in the relative window when sending a mouse event.
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parents: 4465
diff changeset
   191
    }
9322f7db8603 Cleaned up the mouse window focus handling: you always pass in the relative window when sending a mouse event.
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diff changeset
   192
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diff changeset
   193
    /* Figure out which event to perform */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
diff changeset
   194
    switch (state) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   195
    case SDL_PRESSED:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
diff changeset
   196
        if (mouse->buttonstate & SDL_BUTTON(button)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
diff changeset
   197
            /* Ignore this event, no state change */
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parents: 1525
diff changeset
   198
            return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   199
        }
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diff changeset
   200
        type = SDL_MOUSEBUTTONDOWN;
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diff changeset
   201
        mouse->buttonstate |= SDL_BUTTON(button);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   202
        break;
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diff changeset
   203
    case SDL_RELEASED:
2725
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parents: 2718
diff changeset
   204
        if (!(mouse->buttonstate & SDL_BUTTON(button))) {
2718
abacf2555bb4 Removed unneccesary code lines. Fixed mousename bug. Added lacking code in mousebutton
Szymon Wilczek <kazeuser@gmail.com>
parents: 2712
diff changeset
   205
            /* Ignore this event, no state change */
abacf2555bb4 Removed unneccesary code lines. Fixed mousename bug. Added lacking code in mousebutton
Szymon Wilczek <kazeuser@gmail.com>
parents: 2712
diff changeset
   206
            return 0;
abacf2555bb4 Removed unneccesary code lines. Fixed mousename bug. Added lacking code in mousebutton
Szymon Wilczek <kazeuser@gmail.com>
parents: 2712
diff changeset
   207
        }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   208
        type = SDL_MOUSEBUTTONUP;
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diff changeset
   209
        mouse->buttonstate &= ~SDL_BUTTON(button);
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diff changeset
   210
        break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
diff changeset
   211
    default:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
diff changeset
   212
        /* Invalid state -- bail */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
diff changeset
   213
        return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
diff changeset
   214
    }
0
74212992fb08 Initial revision
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parents:
diff changeset
   215
1895
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diff changeset
   216
    /* Post the event, if desired */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   217
    posted = 0;
4429
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parents: 3697
diff changeset
   218
    if (SDL_GetEventState(type) == SDL_ENABLE) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
diff changeset
   219
        SDL_Event event;
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diff changeset
   220
        event.type = type;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
diff changeset
   221
        event.button.state = state;
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parents: 1525
diff changeset
   222
        event.button.button = button;
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parents: 1525
diff changeset
   223
        event.button.x = mouse->x;
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parents: 1525
diff changeset
   224
        event.button.y = mouse->y;
3689
af25b5586af7 Fixed crash when there was no mouse focus for some reason (iPhone bug?)
Sam Lantinga <slouken@libsdl.org>
parents: 3685
diff changeset
   225
        event.button.windowID = mouse->focus ? mouse->focus->id : 0;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
diff changeset
   226
        posted = (SDL_PushEvent(&event) > 0);
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parents: 1525
diff changeset
   227
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
diff changeset
   228
    return posted;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
diff changeset
   229
}
1283
f214b6fae45a Date: Fri, 14 Jan 2005 21:52:46 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 1123
diff changeset
   230
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   231
int
4484
9322f7db8603 Cleaned up the mouse window focus handling: you always pass in the relative window when sending a mouse event.
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parents: 4465
diff changeset
   232
SDL_SendMouseWheel(SDL_Window * window, int x, int y)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
diff changeset
   233
{
5371
fc3d3d580777 Fixed the responder chain for event handling, the listener fully handles mouse events - even in fullscreen mode.
Sam Lantinga <slouken@libsdl.org>
parents: 5370
diff changeset
   234
    SDL_Mouse *mouse = SDL_GetMouse();
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diff changeset
   235
    int posted;
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parents: 1525
diff changeset
   236
4484
9322f7db8603 Cleaned up the mouse window focus handling: you always pass in the relative window when sending a mouse event.
Sam Lantinga <slouken@libsdl.org>
parents: 4465
diff changeset
   237
    if (window) {
9322f7db8603 Cleaned up the mouse window focus handling: you always pass in the relative window when sending a mouse event.
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parents: 4465
diff changeset
   238
        SDL_SetMouseFocus(window);
9322f7db8603 Cleaned up the mouse window focus handling: you always pass in the relative window when sending a mouse event.
Sam Lantinga <slouken@libsdl.org>
parents: 4465
diff changeset
   239
    }
9322f7db8603 Cleaned up the mouse window focus handling: you always pass in the relative window when sending a mouse event.
Sam Lantinga <slouken@libsdl.org>
parents: 4465
diff changeset
   240
4465
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
Sam Lantinga <slouken@libsdl.org>
parents: 4429
diff changeset
   241
    if (!x && !y) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
diff changeset
   242
        return 0;
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parents: 1525
diff changeset
   243
    }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   244
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    /* Post the event, if desired */
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    posted = 0;
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    if (SDL_GetEventState(SDL_MOUSEWHEEL) == SDL_ENABLE) {
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        SDL_Event event;
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        event.type = SDL_MOUSEWHEEL;
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        event.wheel.windowID = mouse->focus ? mouse->focus->id : 0;
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   251
        event.wheel.x = x;
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        event.wheel.y = y;
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   253
        posted = (SDL_PushEvent(&event) > 0);
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   254
    }
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    return posted;
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   256
}
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   257
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void
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SDL_MouseQuit(void)
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{
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   261
}
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   262
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Uint8
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SDL_GetMouseState(int *x, int *y)
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{
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    SDL_Mouse *mouse = SDL_GetMouse();
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   267
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   268
    if (x) {
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   269
        *x = mouse->x;
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   270
    }
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   271
    if (y) {
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        *y = mouse->y;
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   273
    }
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    return mouse->buttonstate;
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}
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   276
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Uint8
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SDL_GetRelativeMouseState(int *x, int *y)
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{
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    SDL_Mouse *mouse = SDL_GetMouse();
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   281
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   282
    if (x) {
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   283
        *x = mouse->xdelta;
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   284
    }
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   285
    if (y) {
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   286
        *y = mouse->ydelta;
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   287
    }
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   288
    mouse->xdelta = 0;
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   289
    mouse->ydelta = 0;
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   290
    return mouse->buttonstate;
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   291
}
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   292
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   293
void
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   294
SDL_WarpMouseInWindow(SDL_Window * window, int x, int y)
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{
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   296
    SDL_Mouse *mouse = SDL_GetMouse();
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   297
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   298
    if (mouse->WarpMouse) {
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   299
        mouse->WarpMouse(window, x, y);
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   300
    } else {
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   301
        SDL_SendMouseMotion(window, 0, x, y);
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   302
    }
0
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   303
}
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   304
4465
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   305
int
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   306
SDL_SetRelativeMouseMode(SDL_bool enabled)
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   307
{
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   308
    SDL_Mouse *mouse = SDL_GetMouse();
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   309
5406
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   310
    if (enabled == mouse->relative_mode) {
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   311
        return 0;
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diff changeset
   312
    }
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diff changeset
   313
1517da4ab6b1 Implemented mouse relative mode on Mac OS X.
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   314
    if (!mouse->SetRelativeMouseMode) {
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diff changeset
   315
        SDL_Unsupported();
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   316
        return -1;
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diff changeset
   317
    }
1517da4ab6b1 Implemented mouse relative mode on Mac OS X.
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diff changeset
   318
1517da4ab6b1 Implemented mouse relative mode on Mac OS X.
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diff changeset
   319
    if (mouse->SetRelativeMouseMode(enabled) < 0) {
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   320
        return -1;
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diff changeset
   321
    }
4465
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   322
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diff changeset
   323
    /* Set the relative mode */
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diff changeset
   324
    mouse->relative_mode = enabled;
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diff changeset
   325
6302
b0ae93a5b8d6 Make mouse relative mode save the original co-ordinates to restore them
Wim Looman <ghostunderscore@gmail.com>
parents: 6301
diff changeset
   326
    if (enabled) {
b0ae93a5b8d6 Make mouse relative mode save the original co-ordinates to restore them
Wim Looman <ghostunderscore@gmail.com>
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diff changeset
   327
        /* Save the expected mouse position */
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diff changeset
   328
        mouse->original_x = mouse->x;
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diff changeset
   329
        mouse->original_y = mouse->y;
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diff changeset
   330
    } else if (mouse->focus) {
4465
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diff changeset
   331
        /* Restore the expected mouse position */
6302
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diff changeset
   332
        SDL_WarpMouseInWindow(mouse->focus, mouse->original_x, mouse->original_y);
4465
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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diff changeset
   333
    }
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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diff changeset
   334
5406
1517da4ab6b1 Implemented mouse relative mode on Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 5405
diff changeset
   335
    /* Flush pending mouse motion */
1517da4ab6b1 Implemented mouse relative mode on Mac OS X.
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diff changeset
   336
    SDL_FlushEvent(SDL_MOUSEMOTION);
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diff changeset
   337
4465
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parents: 4429
diff changeset
   338
    /* Update cursor visibility */
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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diff changeset
   339
    SDL_SetCursor(NULL);
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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   340
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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diff changeset
   341
    return 0;
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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diff changeset
   342
}
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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parents: 4429
diff changeset
   343
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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   344
SDL_bool
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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diff changeset
   345
SDL_GetRelativeMouseMode()
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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diff changeset
   346
{
5371
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Sam Lantinga <slouken@libsdl.org>
parents: 5370
diff changeset
   347
    SDL_Mouse *mouse = SDL_GetMouse();
4465
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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parents: 4429
diff changeset
   348
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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diff changeset
   349
    return mouse->relative_mode;
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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diff changeset
   350
}
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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diff changeset
   351
1895
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   352
SDL_Cursor *
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   353
SDL_CreateCursor(const Uint8 * data, const Uint8 * mask,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   354
                 int w, int h, int hot_x, int hot_y)
0
74212992fb08 Initial revision
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parents:
diff changeset
   355
{
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   356
    SDL_Surface *surface;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   357
    SDL_Cursor *cursor;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   358
    int x, y;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   359
    Uint32 *pixel;
4465
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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parents: 4429
diff changeset
   360
    Uint8 datab = 0, maskb = 0;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1525
diff changeset
   361
    const Uint32 black = 0xFF000000;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   362
    const Uint32 white = 0xFFFFFFFF;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   363
    const Uint32 transparent = 0x00000000;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   364
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   365
    /* Make sure the width is a multiple of 8 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   366
    w = ((w + 7) & ~7);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   367
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   368
    /* Create the surface from a bitmap */
5473
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   369
    surface = SDL_CreateRGBSurface(0, w, h, 32,
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   370
                                   0x00FF0000,
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   371
                                   0x0000FF00,
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   372
                                   0x000000FF,
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   373
                                   0xFF000000);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   374
    if (!surface) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   375
        return NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   376
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   377
    for (y = 0; y < h; ++y) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   378
        pixel = (Uint32 *) ((Uint8 *) surface->pixels + y * surface->pitch);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   379
        for (x = 0; x < w; ++x) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   380
            if ((x % 8) == 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   381
                datab = *data++;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   382
                maskb = *mask++;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   383
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   384
            if (maskb & 0x80) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   385
                *pixel++ = (datab & 0x80) ? black : white;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   386
            } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   387
                *pixel++ = (datab & 0x80) ? black : transparent;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   388
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   389
            datab <<= 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   390
            maskb <<= 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   391
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   392
    }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   393
5473
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   394
    cursor = SDL_CreateColorCursor(surface, hot_x, hot_y);
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   395
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   396
    SDL_FreeSurface(surface);
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   397
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   398
    return cursor;
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   399
}
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   400
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   401
SDL_Cursor *
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   402
SDL_CreateColorCursor(SDL_Surface *surface, int hot_x, int hot_y)
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   403
{
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   404
    SDL_Mouse *mouse = SDL_GetMouse();
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   405
    SDL_Surface *temp = NULL;
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   406
    SDL_Cursor *cursor;
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   407
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   408
    if (!surface) {
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   409
        SDL_SetError("Passed NULL cursor surface");
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   410
        return NULL;
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   411
    }
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   412
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   413
    if (!mouse->CreateCursor) {
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   414
        SDL_SetError("Cursors are not currently supported");
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   415
        return NULL;
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   416
    }
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   417
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   418
    /* Sanity check the hot spot */
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   419
    if ((hot_x < 0) || (hot_y < 0) ||
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   420
        (hot_x >= surface->w) || (hot_y >= surface->h)) {
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   421
        SDL_SetError("Cursor hot spot doesn't lie within cursor");
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   422
        return NULL;
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   423
    }
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   424
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   425
    if (surface->format->format != SDL_PIXELFORMAT_ARGB8888) {
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   426
        temp = SDL_ConvertSurfaceFormat(surface, SDL_PIXELFORMAT_ARGB8888, 0);
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   427
        if (!temp) {
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   428
            return NULL;
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   429
        }
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   430
        surface = temp;
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   431
    }
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   432
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   433
    cursor = mouse->CreateCursor(surface, hot_x, hot_y);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   434
    if (cursor) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   435
        cursor->next = mouse->cursors;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   436
        mouse->cursors = cursor;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   437
    }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   438
5473
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   439
    if (temp) {
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   440
        SDL_FreeSurface(temp);
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   441
    }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   442
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   443
    return cursor;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   444
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   445
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   446
/* SDL_SetCursor(NULL) can be used to force the cursor redraw,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   447
   if this is desired for any reason.  This is used when setting
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   448
   the video mode and when the SDL window gains the mouse focus.
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   449
 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   450
void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   451
SDL_SetCursor(SDL_Cursor * cursor)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   452
{
5371
fc3d3d580777 Fixed the responder chain for event handling, the listener fully handles mouse events - even in fullscreen mode.
Sam Lantinga <slouken@libsdl.org>
parents: 5370
diff changeset
   453
    SDL_Mouse *mouse = SDL_GetMouse();
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   454
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   455
    /* Set the new cursor */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   456
    if (cursor) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   457
        /* Make sure the cursor is still valid for this mouse */
5405
64fa8526e1ce Added a cleaner way to set the default cursor.
Sam Lantinga <slouken@libsdl.org>
parents: 5376
diff changeset
   458
        if (cursor != mouse->def_cursor) {
64fa8526e1ce Added a cleaner way to set the default cursor.
Sam Lantinga <slouken@libsdl.org>
parents: 5376
diff changeset
   459
            SDL_Cursor *found;
64fa8526e1ce Added a cleaner way to set the default cursor.
Sam Lantinga <slouken@libsdl.org>
parents: 5376
diff changeset
   460
            for (found = mouse->cursors; found; found = found->next) {
64fa8526e1ce Added a cleaner way to set the default cursor.
Sam Lantinga <slouken@libsdl.org>
parents: 5376
diff changeset
   461
                if (found == cursor) {
64fa8526e1ce Added a cleaner way to set the default cursor.
Sam Lantinga <slouken@libsdl.org>
parents: 5376
diff changeset
   462
                    break;
64fa8526e1ce Added a cleaner way to set the default cursor.
Sam Lantinga <slouken@libsdl.org>
parents: 5376
diff changeset
   463
                }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   464
            }
5405
64fa8526e1ce Added a cleaner way to set the default cursor.
Sam Lantinga <slouken@libsdl.org>
parents: 5376
diff changeset
   465
            if (!found) {
64fa8526e1ce Added a cleaner way to set the default cursor.
Sam Lantinga <slouken@libsdl.org>
parents: 5376
diff changeset
   466
                SDL_SetError("Cursor not associated with the current mouse");
64fa8526e1ce Added a cleaner way to set the default cursor.
Sam Lantinga <slouken@libsdl.org>
parents: 5376
diff changeset
   467
                return;
64fa8526e1ce Added a cleaner way to set the default cursor.
Sam Lantinga <slouken@libsdl.org>
parents: 5376
diff changeset
   468
            }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   469
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   470
        mouse->cur_cursor = cursor;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   471
    } else {
6301
e8a69c5378e7 Change SDL_SetCursor to set the cursor back to the default cursor when the
Wim Looman <ghostunderscore@gmail.com>
parents: 6300
diff changeset
   472
        if (mouse->focus) {
e8a69c5378e7 Change SDL_SetCursor to set the cursor back to the default cursor when the
Wim Looman <ghostunderscore@gmail.com>
parents: 6300
diff changeset
   473
            cursor = mouse->cur_cursor;
e8a69c5378e7 Change SDL_SetCursor to set the cursor back to the default cursor when the
Wim Looman <ghostunderscore@gmail.com>
parents: 6300
diff changeset
   474
        } else {
e8a69c5378e7 Change SDL_SetCursor to set the cursor back to the default cursor when the
Wim Looman <ghostunderscore@gmail.com>
parents: 6300
diff changeset
   475
            cursor = mouse->def_cursor;
e8a69c5378e7 Change SDL_SetCursor to set the cursor back to the default cursor when the
Wim Looman <ghostunderscore@gmail.com>
parents: 6300
diff changeset
   476
        }
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   477
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   478
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   479
    if (cursor && mouse->cursor_shown && !mouse->relative_mode) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   480
        if (mouse->ShowCursor) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   481
            mouse->ShowCursor(cursor);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   482
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   483
    } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   484
        if (mouse->ShowCursor) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   485
            mouse->ShowCursor(NULL);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   486
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   487
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   488
}
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   489
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   490
SDL_Cursor *
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   491
SDL_GetCursor(void)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   492
{
5371
fc3d3d580777 Fixed the responder chain for event handling, the listener fully handles mouse events - even in fullscreen mode.
Sam Lantinga <slouken@libsdl.org>
parents: 5370
diff changeset
   493
    SDL_Mouse *mouse = SDL_GetMouse();
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   494
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   495
    if (!mouse) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   496
        return NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   497
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   498
    return mouse->cur_cursor;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   499
}
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   500
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   501
void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   502
SDL_FreeCursor(SDL_Cursor * cursor)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   503
{
5371
fc3d3d580777 Fixed the responder chain for event handling, the listener fully handles mouse events - even in fullscreen mode.
Sam Lantinga <slouken@libsdl.org>
parents: 5370
diff changeset
   504
    SDL_Mouse *mouse = SDL_GetMouse();
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   505
    SDL_Cursor *curr, *prev;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   506
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   507
    if (!cursor) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   508
        return;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   509
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   510
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   511
    if (cursor == mouse->def_cursor) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   512
        return;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   513
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   514
    if (cursor == mouse->cur_cursor) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   515
        SDL_SetCursor(mouse->def_cursor);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   516
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   517
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   518
    for (prev = NULL, curr = mouse->cursors; curr;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   519
         prev = curr, curr = curr->next) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   520
        if (curr == cursor) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   521
            if (prev) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   522
                prev->next = curr->next;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   523
            } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   524
                mouse->cursors = curr->next;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   525
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   526
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   527
            if (mouse->FreeCursor) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   528
                mouse->FreeCursor(curr);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   529
            }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   530
            return;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   531
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   532
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   533
}
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   534
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   535
int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   536
SDL_ShowCursor(int toggle)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   537
{
5371
fc3d3d580777 Fixed the responder chain for event handling, the listener fully handles mouse events - even in fullscreen mode.
Sam Lantinga <slouken@libsdl.org>
parents: 5370
diff changeset
   538
    SDL_Mouse *mouse = SDL_GetMouse();
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   539
    SDL_bool shown;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   540
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   541
    if (!mouse) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   542
        return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   543
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   544
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   545
    shown = mouse->cursor_shown;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   546
    if (toggle >= 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   547
        if (toggle) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   548
            mouse->cursor_shown = SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   549
        } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   550
            mouse->cursor_shown = SDL_FALSE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   551
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   552
        if (mouse->cursor_shown != shown) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   553
            SDL_SetCursor(NULL);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   554
        }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   555
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   556
    return shown;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   557
}
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   558
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1525
diff changeset
   559
/* vi: set ts=4 sw=4 expandtab: */