src/events/SDL_mouse.c
author Sam Lantinga <slouken@libsdl.org>
Fri, 11 Mar 2011 14:14:38 -0800
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permissions -rw-r--r--
Added a function to create color cursors: SDL_CreateColorCursor()
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2011 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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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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        mouse->x = x;
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   128
        mouse->y = y;
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   129
    } else {
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        mouse->x += xrel;
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   131
        mouse->y += yrel;
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   132
    }
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   133
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    SDL_GetWindowSize(mouse->focus, &x_max, &y_max);
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   135
    --x_max;
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   136
    --y_max;
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diff changeset
   137
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   138
    /* make sure that the pointers find themselves inside the windows */
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   139
    /* only check if mouse->xmax is set ! */
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   140
    if (mouse->x > x_max) {
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   141
        mouse->x = x_max;
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diff changeset
   142
    }
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   143
    if (mouse->x < 0) {
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   144
        mouse->x = 0;
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   145
    }
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diff changeset
   146
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   147
    if (mouse->y > y_max) {
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   148
        mouse->y = y_max;
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diff changeset
   149
    }
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   150
    if (mouse->y < 0) {
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   151
        mouse->y = 0;
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diff changeset
   152
    }
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   153
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   154
    mouse->xdelta += xrel;
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   155
    mouse->ydelta += yrel;
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   156
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   157
#if 0 /* FIXME */
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diff changeset
   158
    /* Move the mouse cursor, if needed */
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   159
    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
   160
        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
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   161
        mouse->MoveCursor(mouse->cur_cursor);
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parents: 1525
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   162
    }
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   163
#endif
0
74212992fb08 Initial revision
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parents:
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   164
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   165
    /* 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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   166
    posted = 0;
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parents: 4429
diff changeset
   167
    if (SDL_GetEventState(SDL_MOUSEMOTION) == SDL_ENABLE) {
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parents: 1525
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   168
        SDL_Event event;
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   169
        event.motion.type = SDL_MOUSEMOTION;
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   170
        event.motion.windowID = mouse->focus ? mouse->focus->id : 0;
1895
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parents: 1525
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   171
        event.motion.state = mouse->buttonstate;
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   172
        event.motion.x = mouse->x;
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   173
        event.motion.y = mouse->y;
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   174
        event.motion.xrel = xrel;
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diff changeset
   175
        event.motion.yrel = yrel;
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parents: 1525
diff changeset
   176
        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
   177
    }
3112
8f3fd508734b New last cursor position must rely on the clamped coordinates.
Mike Gorchak <lestat@i.com.ua>
parents: 2940
diff changeset
   178
    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
   179
    mouse->last_y = mouse->y;
1895
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   180
    return posted;
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diff changeset
   181
}
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diff changeset
   182
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   183
int
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   184
SDL_SendMouseButton(SDL_Window * window, Uint8 state, Uint8 button)
1895
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   185
{
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
   186
    SDL_Mouse *mouse = SDL_GetMouse();
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diff changeset
   187
    int posted;
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diff changeset
   188
    Uint32 type;
1895
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diff changeset
   189
4484
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diff changeset
   190
    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
   191
        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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diff changeset
   192
    }
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diff changeset
   193
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diff changeset
   194
    /* Figure out which event to perform */
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diff changeset
   195
    switch (state) {
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diff changeset
   196
    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
   197
        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
   198
            /* Ignore this event, no state change */
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diff changeset
   199
            return 0;
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diff changeset
   200
        }
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diff changeset
   201
        type = SDL_MOUSEBUTTONDOWN;
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diff changeset
   202
        mouse->buttonstate |= SDL_BUTTON(button);
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diff changeset
   203
        break;
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diff changeset
   204
    case SDL_RELEASED:
2725
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parents: 2718
diff changeset
   205
        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
   206
            /* 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
   207
            return 0;
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parents: 2712
diff changeset
   208
        }
1895
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diff changeset
   209
        type = SDL_MOUSEBUTTONUP;
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diff changeset
   210
        mouse->buttonstate &= ~SDL_BUTTON(button);
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diff changeset
   211
        break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   212
    default:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   213
        /* 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
   214
        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
   215
    }
0
74212992fb08 Initial revision
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parents:
diff changeset
   216
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   217
    /* Post the event, if desired */
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diff changeset
   218
    posted = 0;
4429
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diff changeset
   219
    if (SDL_GetEventState(type) == SDL_ENABLE) {
1895
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   220
        SDL_Event event;
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diff changeset
   221
        event.type = type;
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diff changeset
   222
        event.button.state = state;
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diff changeset
   223
        event.button.button = button;
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parents: 1525
diff changeset
   224
        event.button.x = mouse->x;
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diff changeset
   225
        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
   226
        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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diff changeset
   227
        posted = (SDL_PushEvent(&event) > 0);
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diff changeset
   228
    }
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diff changeset
   229
    return posted;
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diff changeset
   230
}
1283
f214b6fae45a Date: Fri, 14 Jan 2005 21:52:46 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 1123
diff changeset
   231
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diff changeset
   232
int
4484
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diff changeset
   233
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
   234
{
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
   235
    SDL_Mouse *mouse = SDL_GetMouse();
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diff changeset
   236
    int posted;
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diff changeset
   237
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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
   238
    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
   239
        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
   240
    }
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
   241
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
   242
    if (!x && !y) {
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parents: 1525
diff changeset
   243
        return 0;
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parents: 1525
diff changeset
   244
    }
0
74212992fb08 Initial revision
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parents:
diff changeset
   245
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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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   252
        event.wheel.x = x;
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        event.wheel.y = y;
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        posted = (SDL_PushEvent(&event) > 0);
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   255
    }
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   256
    return posted;
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   257
}
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   258
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void
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SDL_MouseQuit(void)
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{
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}
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   263
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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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   268
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   269
    if (x) {
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        *x = mouse->x;
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   271
    }
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   272
    if (y) {
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   273
        *y = mouse->y;
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   274
    }
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    return mouse->buttonstate;
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   276
}
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   277
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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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   282
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   283
    if (x) {
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   284
        *x = mouse->xdelta;
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   285
    }
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   286
    if (y) {
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   287
        *y = mouse->ydelta;
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   288
    }
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   289
    mouse->xdelta = 0;
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   290
    mouse->ydelta = 0;
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   291
    return mouse->buttonstate;
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   292
}
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   293
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   294
void
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   295
SDL_WarpMouseInWindow(SDL_Window * window, int x, int y)
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   296
{
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    SDL_Mouse *mouse = SDL_GetMouse();
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   298
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   299
    if (mouse->WarpMouse) {
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        mouse->WarpMouse(window, x, y);
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   301
    } else {
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        SDL_SendMouseMotion(window, 0, x, y);
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   303
    }
0
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}
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   305
4465
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   306
int
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   307
SDL_SetRelativeMouseMode(SDL_bool enabled)
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   308
{
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   309
    SDL_Mouse *mouse = SDL_GetMouse();
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   310
5406
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   311
    if (enabled == mouse->relative_mode) {
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   312
        return 0;
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diff changeset
   313
    }
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   314
1517da4ab6b1 Implemented mouse relative mode on Mac OS X.
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diff changeset
   315
    if (!mouse->SetRelativeMouseMode) {
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diff changeset
   316
        SDL_Unsupported();
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   317
        return -1;
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diff changeset
   318
    }
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diff changeset
   319
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   320
    if (mouse->SetRelativeMouseMode(enabled) < 0) {
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diff changeset
   321
        return -1;
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   322
    }
4465
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diff changeset
   323
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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diff changeset
   324
    /* Set the relative mode */
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diff changeset
   325
    mouse->relative_mode = enabled;
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diff changeset
   326
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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diff changeset
   327
    if (!enabled) {
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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diff changeset
   328
        /* Restore the expected mouse position */
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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diff changeset
   329
        SDL_WarpMouseInWindow(mouse->focus, mouse->x, mouse->y);
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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diff changeset
   330
    }
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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diff changeset
   331
5406
1517da4ab6b1 Implemented mouse relative mode on Mac OS X.
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diff changeset
   332
    /* Flush pending mouse motion */
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diff changeset
   333
    SDL_FlushEvent(SDL_MOUSEMOTION);
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diff changeset
   334
4465
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diff changeset
   335
    /* Update cursor visibility */
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diff changeset
   336
    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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diff changeset
   337
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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   338
    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
   339
}
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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diff changeset
   340
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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   341
SDL_bool
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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   342
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
   343
{
5371
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diff changeset
   344
    SDL_Mouse *mouse = SDL_GetMouse();
4465
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diff changeset
   345
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
    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
   347
}
3e69e077cb95 Removed multi-mouse / multi-keyboard support in anticipation of a real multi-mouse and multi-touch API.
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diff changeset
   348
1895
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   349
SDL_Cursor *
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   350
SDL_CreateCursor(const Uint8 * data, const Uint8 * mask,
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   351
                 int w, int h, int hot_x, int hot_y)
0
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diff changeset
   352
{
5371
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diff changeset
   353
    SDL_Mouse *mouse = SDL_GetMouse();
1895
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diff changeset
   354
    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
   355
    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
   356
    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
   357
    Uint32 *pixel;
4465
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diff changeset
   358
    Uint8 datab = 0, maskb = 0;
1895
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diff changeset
   359
    const Uint32 black = 0xFF000000;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   360
    const Uint32 white = 0xFFFFFFFF;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   361
    const Uint32 transparent = 0x00000000;
0
74212992fb08 Initial revision
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parents:
diff changeset
   362
1895
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parents: 1525
diff changeset
   363
    /* 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
   364
    w = ((w + 7) & ~7);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   365
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
   366
    /* 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
   367
    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
   368
                                   0x00FF0000,
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   369
                                   0x0000FF00,
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   370
                                   0x000000FF,
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   371
                                   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
   372
    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
   373
        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
   374
    }
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
    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
   376
        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
   377
        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
   378
            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
   379
                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
   380
                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
   381
            }
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
            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
   383
                *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
   384
            } 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
   385
                *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
   386
            }
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
            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
   388
            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
   389
        }
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
    }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   391
5473
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   392
    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
   393
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   394
    SDL_FreeSurface(surface);
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
    return cursor;
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
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   399
SDL_Cursor *
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   400
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
   401
{
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   402
    SDL_Mouse *mouse = SDL_GetMouse();
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   403
    SDL_Surface *temp = NULL;
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   404
    SDL_Cursor *cursor;
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   405
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   406
    if (!surface) {
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   407
        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
   408
        return NULL;
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   409
    }
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   410
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   411
    if (!mouse->CreateCursor) {
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   412
        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
   413
        return NULL;
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   414
    }
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   415
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   416
    /* Sanity check the hot spot */
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   417
    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
   418
        (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
   419
        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
   420
        return NULL;
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   421
    }
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   422
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   423
    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
   424
        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
   425
        if (!temp) {
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   426
            return NULL;
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   427
        }
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   428
        surface = temp;
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
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
   431
    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
   432
    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
   433
        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
   434
        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
   435
    }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   436
5473
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   437
    if (temp) {
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   438
        SDL_FreeSurface(temp);
5665ccbd6792 Added a function to create color cursors: SDL_CreateColorCursor()
Sam Lantinga <slouken@libsdl.org>
parents: 5406
diff changeset
   439
    }
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
   440
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
   441
    return cursor;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   442
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   443
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
   444
/* 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
   445
   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
   446
   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
   447
 */
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
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
   449
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
   450
{
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
   451
    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
   452
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
   453
    /* 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
   454
    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
   455
        /* 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
   456
        if (cursor != mouse->def_cursor) {
64fa8526e1ce Added a cleaner way to set the default cursor.
Sam Lantinga <slouken@libsdl.org>
parents: 5376
diff changeset
   457
            SDL_Cursor *found;
64fa8526e1ce Added a cleaner way to set the default cursor.
Sam Lantinga <slouken@libsdl.org>
parents: 5376
diff changeset
   458
            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
   459
                if (found == cursor) {
64fa8526e1ce Added a cleaner way to set the default cursor.
Sam Lantinga <slouken@libsdl.org>
parents: 5376
diff changeset
   460
                    break;
64fa8526e1ce Added a cleaner way to set the default cursor.
Sam Lantinga <slouken@libsdl.org>
parents: 5376
diff changeset
   461
                }
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
   462
            }
5405
64fa8526e1ce Added a cleaner way to set the default cursor.
Sam Lantinga <slouken@libsdl.org>
parents: 5376
diff changeset
   463
            if (!found) {
64fa8526e1ce Added a cleaner way to set the default cursor.
Sam Lantinga <slouken@libsdl.org>
parents: 5376
diff changeset
   464
                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
   465
                return;
64fa8526e1ce Added a cleaner way to set the default cursor.
Sam Lantinga <slouken@libsdl.org>
parents: 5376
diff changeset
   466
            }
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
   467
        }
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
   468
        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
   469
    } 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
   470
        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
   471
    }
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
   472
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
   473
    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
   474
        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
   475
            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
   476
        }
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
    } 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
   478
        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
   479
            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
   480
        }
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
    }
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
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
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
   485
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
   486
{
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
   487
    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
   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
    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
   490
        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
   491
    }
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
    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
   493
}
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
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
   496
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
   497
{
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
   498
    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
   499
    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
   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
    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
   502
        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
   503
    }
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
   504
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
    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
   506
        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
   507
    }
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
    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
   509
        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
   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
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
    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
   513
         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
   514
        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
   515
            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
   516
                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
   517
            } 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
   518
                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
   519
            }
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
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 (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
   522
                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
   523
            }
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
            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
   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
}
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
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
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
   530
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
   531
{
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
   532
    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
   533
    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
   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
    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
   536
        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
   537
    }
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
   538
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
    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
   540
    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
   541
        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
   542
            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
   543
        } 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
   544
            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
   545
        }
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 (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
   547
            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
   548
        }
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
    }
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
    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
   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
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
/* vi: set ts=4 sw=4 expandtab: */