src/video/win32/SDL_win32window.c
changeset 1895 c121d94672cb
child 1913 83420da906a5
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/video/win32/SDL_win32window.c	Mon Jul 10 21:04:37 2006 +0000
@@ -0,0 +1,434 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2006 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#include "../SDL_sysvideo.h"
+#include "../../events/SDL_keyboard_c.h"
+
+#include "SDL_win32video.h"
+
+/* This is included after SDL_win32video.h, which includes windows.h */
+#include "SDL_syswm.h"
+
+
+static int
+SetupWindowData(SDL_Window * window, HWND hwnd, BOOL created)
+{
+    SDL_WindowData *data;
+
+    /* Allocate the window data */
+    data = (SDL_WindowData *) SDL_malloc(sizeof(*data));
+    if (!data) {
+        SDL_OutOfMemory();
+        return -1;
+    }
+    data->windowID = window->id;
+    data->hwnd = hwnd;
+    data->created = created;
+    data->mouse_pressed = SDL_FALSE;
+    data->videodata = (SDL_VideoData *) SDL_GetVideoDevice()->driverdata;
+
+    /* Associate the data with the window */
+    if (!SetProp(hwnd, TEXT("SDL_WindowData"), data)) {
+        SDL_free(data);
+        WIN_SetError("SetProp() failed");
+        return -1;
+    }
+
+    /* Set up the window proc function */
+    data->wndproc = (WNDPROC) GetWindowLongPtr(hwnd, GWLP_WNDPROC);
+    if (data->wndproc == NULL) {
+        data->wndproc = DefWindowProc;
+    } else {
+        SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR) WIN_WindowProc);
+    }
+
+    /* Fill in the SDL window with the window data */
+    {
+        POINT point;
+        point.x = 0;
+        point.y = 0;
+        if (ClientToScreen(hwnd, &point)) {
+            window->x = point.x;
+            window->y = point.y;
+        }
+    }
+    {
+        RECT rect;
+        if (GetClientRect(hwnd, &rect)) {
+            window->w = rect.right;
+            window->h = rect.bottom;
+        }
+    }
+    {
+        DWORD style = GetWindowLong(hwnd, GWL_STYLE);
+        if (style & WS_VISIBLE) {
+            window->flags |= SDL_WINDOW_SHOWN;
+        } else {
+            window->flags &= ~SDL_WINDOW_SHOWN;
+        }
+        if (style & (WS_BORDER | WS_THICKFRAME)) {
+            window->flags &= ~SDL_WINDOW_BORDERLESS;
+        } else {
+            window->flags |= SDL_WINDOW_BORDERLESS;
+        }
+        if (style & WS_THICKFRAME) {
+            window->flags |= SDL_WINDOW_RESIZABLE;
+        } else {
+            window->flags &= ~SDL_WINDOW_RESIZABLE;
+        }
+        if (style & WS_MAXIMIZE) {
+            window->flags |= SDL_WINDOW_MAXIMIZED;
+        } else {
+            window->flags &= ~SDL_WINDOW_MAXIMIZED;
+        }
+        if (style & WS_MINIMIZE) {
+            window->flags |= SDL_WINDOW_MINIMIZED;
+        } else {
+            window->flags &= ~SDL_WINDOW_MINIMIZED;
+        }
+    }
+    if (GetFocus() == hwnd) {
+        int index = data->videodata->keyboard;
+        window->flags |= SDL_WINDOW_INPUT_FOCUS;
+        SDL_SetKeyboardFocus(index, data->windowID);
+
+        if (window->flags & SDL_WINDOW_INPUT_GRABBED) {
+            RECT rect;
+            GetClientRect(hwnd, &rect);
+            ClientToScreen(hwnd, (LPPOINT) & rect);
+            ClientToScreen(hwnd, (LPPOINT) & rect + 1);
+            ClipCursor(&rect);
+        }
+    }
+
+    /* All done! */
+    window->driverdata = data;
+    return 0;
+}
+
+int
+WIN_CreateWindow(_THIS, SDL_Window * window)
+{
+    HWND hwnd;
+    LPTSTR title = NULL;
+    HWND top;
+    RECT rect;
+    DWORD style = 0;
+    int x, y;
+    int w, h;
+
+    if (window->title) {
+        title = WIN_UTF8ToString(window->title);
+    } else {
+        title = NULL;
+    }
+
+    if (window->flags & SDL_WINDOW_SHOWN) {
+        style |= WS_VISIBLE;
+    }
+    if ((window->flags & (SDL_WINDOW_FULLSCREEN | SDL_WINDOW_BORDERLESS))) {
+        style |= WS_POPUP;
+    } else {
+        style |= (WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX);
+    }
+    if (window->flags & SDL_WINDOW_RESIZABLE) {
+        style |= (WS_THICKFRAME | WS_MAXIMIZEBOX);
+    }
+    if (window->flags & SDL_WINDOW_MAXIMIZED) {
+        style |= WS_MAXIMIZE;
+    }
+    if (window->flags & SDL_WINDOW_MINIMIZED) {
+        style |= WS_MINIMIZE;
+    }
+
+    /* Figure out what the window area will be */
+    if (window->flags & SDL_WINDOW_FULLSCREEN) {
+        top = HWND_TOPMOST;
+    } else {
+        top = HWND_NOTOPMOST;
+    }
+    rect.left = 0;
+    rect.top = 0;
+    rect.right = window->w;
+    rect.bottom = window->h;
+    AdjustWindowRectEx(&rect, style, FALSE, 0);
+    w = (rect.right - rect.left);
+    h = (rect.bottom - rect.top);
+
+    if ((window->flags & SDL_WINDOW_FULLSCREEN) ||
+        window->x == SDL_WINDOWPOS_CENTERED) {
+        x = (GetSystemMetrics(SM_CXSCREEN) - w) / 2;
+    } else if (window->x == SDL_WINDOWPOS_UNDEFINED) {
+        x = CW_USEDEFAULT;
+    } else {
+        x = window->x + rect.left;
+    }
+    if ((window->flags & SDL_WINDOW_FULLSCREEN) ||
+        window->y == SDL_WINDOWPOS_CENTERED) {
+        y = (GetSystemMetrics(SM_CYSCREEN) - h) / 2;
+    } else if (window->y == SDL_WINDOWPOS_UNDEFINED) {
+        y = CW_USEDEFAULT;
+    } else {
+        y = window->y + rect.top;
+    }
+
+    hwnd = CreateWindow(SDL_Appname,
+                        title ? title : TEXT(""),
+                        style, x, y, w, h, NULL, NULL, SDL_Instance, NULL);
+    WIN_PumpEvents(_this);
+
+    if (title) {
+        SDL_free(title);
+    }
+
+    if (!hwnd) {
+        WIN_SetError("Couldn't create window");
+        return -1;
+    }
+
+    if (SetupWindowData(window, hwnd, TRUE) < 0) {
+        DestroyWindow(hwnd);
+        return -1;
+    }
+    return 0;
+}
+
+int
+WIN_CreateWindowFrom(_THIS, SDL_Window * window, const void *data)
+{
+    HWND hwnd = (HWND) data;
+    LPTSTR title;
+    int titleLen;
+
+    /* Query the title from the existing window */
+    titleLen = GetWindowTextLength(hwnd);
+    title = SDL_stack_alloc(TCHAR, titleLen + 1);
+    if (title) {
+        titleLen = GetWindowText(hwnd, title, titleLen);
+    } else {
+        titleLen = 0;
+    }
+    if (titleLen > 0) {
+        window->title = WIN_StringToUTF8(title);
+    }
+    if (title) {
+        SDL_stack_free(title);
+    }
+
+    if (SetupWindowData(window, hwnd, FALSE) < 0) {
+        return -1;
+    }
+    return 0;
+}
+
+void
+WIN_SetWindowTitle(_THIS, SDL_Window * window)
+{
+    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
+    LPTSTR title;
+
+    if (window->title) {
+        title = WIN_UTF8ToString(window->title);
+    } else {
+        title = NULL;
+    }
+    SetWindowText(hwnd, title ? title : TEXT(""));
+    if (title) {
+        SDL_free(title);
+    }
+}
+
+void
+WIN_SetWindowPosition(_THIS, SDL_Window * window)
+{
+    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
+    RECT rect;
+    DWORD style;
+    HWND top;
+    int x, y;
+    int w, h;
+
+    /* Figure out what the window area will be */
+    if (window->flags & SDL_WINDOW_FULLSCREEN) {
+        top = HWND_TOPMOST;
+    } else {
+        top = HWND_NOTOPMOST;
+    }
+    style = GetWindowLong(hwnd, GWL_STYLE);
+    rect.left = 0;
+    rect.top = 0;
+    rect.right = window->w;
+    rect.bottom = window->h;
+    AdjustWindowRectEx(&rect, style,
+                       (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) !=
+                                                           NULL), 0);
+    w = (rect.right - rect.left);
+    h = (rect.bottom - rect.top);
+
+    if ((window->flags & SDL_WINDOW_FULLSCREEN) ||
+        window->x == SDL_WINDOWPOS_CENTERED) {
+        x = (GetSystemMetrics(SM_CXSCREEN) - w) / 2;
+        window->x = x - rect.left;
+    } else {
+        x = window->x + rect.left;
+    }
+    if ((window->flags & SDL_WINDOW_FULLSCREEN) ||
+        window->y == SDL_WINDOWPOS_CENTERED) {
+        y = (GetSystemMetrics(SM_CYSCREEN) - h) / 2;
+        window->y = y - rect.top;
+    } else {
+        y = window->y + rect.top;
+    }
+    SetWindowPos(hwnd, top, x, y, h, w, (SWP_NOCOPYBITS | SWP_NOSIZE));
+}
+
+void
+WIN_SetWindowSize(_THIS, SDL_Window * window)
+{
+    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
+    RECT rect;
+    DWORD style;
+    HWND top;
+    int w, h;
+
+    /* Figure out what the window area will be */
+    if (window->flags & SDL_WINDOW_FULLSCREEN) {
+        top = HWND_TOPMOST;
+    } else {
+        top = HWND_NOTOPMOST;
+    }
+    style = GetWindowLong(hwnd, GWL_STYLE);
+    rect.left = 0;
+    rect.top = 0;
+    rect.right = window->w;
+    rect.bottom = window->h;
+    AdjustWindowRectEx(&rect, style,
+                       (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) !=
+                                                           NULL), 0);
+    w = (rect.right - rect.left);
+    h = (rect.bottom - rect.top);
+
+    SetWindowPos(hwnd, top, 0, 0, h, w, (SWP_NOCOPYBITS | SWP_NOMOVE));
+}
+
+void
+WIN_ShowWindow(_THIS, SDL_Window * window)
+{
+    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
+
+    ShowWindow(hwnd, SW_SHOW);
+}
+
+void
+WIN_HideWindow(_THIS, SDL_Window * window)
+{
+    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
+
+    ShowWindow(hwnd, SW_HIDE);
+}
+
+void
+WIN_RaiseWindow(_THIS, SDL_Window * window)
+{
+    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
+    HWND top;
+
+    if (window->flags & SDL_WINDOW_FULLSCREEN) {
+        top = HWND_TOPMOST;
+    } else {
+        top = HWND_NOTOPMOST;
+    }
+    SetWindowPos(hwnd, top, 0, 0, 0, 0, (SWP_NOMOVE | SWP_NOSIZE));
+}
+
+void
+WIN_MaximizeWindow(_THIS, SDL_Window * window)
+{
+    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
+
+    ShowWindow(hwnd, SW_MAXIMIZE);
+}
+
+void
+WIN_MinimizeWindow(_THIS, SDL_Window * window)
+{
+    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
+
+    ShowWindow(hwnd, SW_MINIMIZE);
+}
+
+void
+WIN_RestoreWindow(_THIS, SDL_Window * window)
+{
+    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
+
+    ShowWindow(hwnd, SW_RESTORE);
+}
+
+void
+WIN_SetWindowGrab(_THIS, SDL_Window * window)
+{
+    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
+
+    if ((window->flags & SDL_WINDOW_INPUT_GRABBED) &&
+        (window->flags & SDL_WINDOW_INPUT_FOCUS)) {
+        RECT rect;
+        GetClientRect(hwnd, &rect);
+        ClientToScreen(hwnd, (LPPOINT) & rect);
+        ClientToScreen(hwnd, (LPPOINT) & rect + 1);
+        ClipCursor(&rect);
+    } else {
+        ClipCursor(NULL);
+    }
+}
+
+void
+WIN_DestroyWindow(_THIS, SDL_Window * window)
+{
+    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
+
+    if (data) {
+        if (data->created) {
+            DestroyWindow(data->hwnd);
+        }
+        SDL_free(data);
+    }
+}
+
+SDL_bool
+WIN_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
+{
+    HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
+    if (info->version.major <= SDL_MAJOR_VERSION) {
+        info->window = hwnd;
+        /* FIXME! */
+        info->hglrc = NULL;
+        return SDL_TRUE;
+    } else {
+        SDL_SetError("Application not compiled with SDL %d.%d\n",
+                     SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
+        return SDL_FALSE;
+    }
+}
+
+/* vi: set ts=4 sw=4 expandtab: */