diff src/video/win32/SDL_win32window.c @ 1719:5b9f50c957ed SDL-1.3

You can now create multiple windows on Win32
author Sam Lantinga <slouken@libsdl.org>
date Wed, 28 Jun 2006 08:12:07 +0000
parents ed4d4f1ea201
children a1ebb17f9c52
line wrap: on
line diff
--- a/src/video/win32/SDL_win32window.c	Tue Jun 27 07:46:36 2006 +0000
+++ b/src/video/win32/SDL_win32window.c	Wed Jun 28 08:12:07 2006 +0000
@@ -26,74 +26,378 @@
 #include "SDL_win32video.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->window = window;
+    data->hwnd = hwnd;
+    data->created = created;
+
+    /* 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;
+        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;
+        }
+    }
+
+    /* 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);
+    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)
 {
+    /* FIXME! */
 }
 
 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;
+/* FIXME! */
+#if 0
+    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;
+    }
+#endif
 }
 
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