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Don't insta crash on vanilla Windows 98

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This commit is contained in:
UnknownShadow200 2021-01-06 11:58:41 +11:00
parent bc3f27a204
commit dde41af49c
1 changed files with 42 additions and 23 deletions
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65
src/Window.c
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@ -462,6 +462,7 @@ static HDC win_DC;
static cc_bool suppress_resize;
static int win_totalWidth, win_totalHeight; /* Size of window including titlebar and borders */
static int windowX, windowY;
static cc_bool is_ansiWindow;
static const cc_uint8 key_map[14 * 16] = {
0, 0, 0, 0, 0, 0, 0, 0, KEY_BACKSPACE, KEY_TAB, 0, 0, 0, KEY_ENTER, 0, 0,
@ -663,7 +664,8 @@ static LRESULT CALLBACK Window_Procedure(HWND handle, UINT message, WPARAM wPara
if (win_DC) ReleaseDC(win_handle, win_DC);
break;
}
return DefWindowProc(handle, message, wParam, lParam);
return is_ansiWindow ? DefWindowProcA(handle, message, wParam, lParam)
: DefWindowProcW(handle, message, wParam, lParam);
}
@ -680,24 +682,12 @@ void Window_Init(void) {
ReleaseDC(NULL, hdc);
}
void Window_Create(int width, int height) {
static ATOM DoRegisterClass(void) {
ATOM atom;
RECT r;
win_instance = GetModuleHandle(NULL);
/* TODO: UngroupFromTaskbar(); */
width = Display_ScaleX(width);
height = Display_ScaleY(height);
/* Find out the final window rectangle, after the WM has added its chrome (titlebar, sidebars etc). */
r.left = Display_CentreX(width); r.right = r.left + width;
r.top = Display_CentreY(height); r.bottom = r.top + height;
AdjustWindowRect(&r, CC_WIN_STYLE, false);
WNDCLASSEX wc = { 0 };
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = CS_OWNDC;
wc.hInstance = win_instance;
WNDCLASSEXW wc = { 0 };
wc.cbSize = sizeof(WNDCLASSEXW);
wc.style = CS_OWNDC;
wc.hInstance = win_instance;
wc.lpfnWndProc = Window_Procedure;
wc.lpszClassName = CC_WIN_CLASSNAME;
@ -707,13 +697,42 @@ void Window_Create(int width, int height) {
GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON), 0);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
atom = RegisterClassEx(&wc);
if (!atom) Logger_Abort2(GetLastError(), "Failed to register window class");
if ((atom = RegisterClassExW(&wc))) return atom;
/* Windows 98 does not support W API functions */
return RegisterClassExA((const WNDCLASSEXA*)&wc);
}
win_handle = CreateWindowEx(0, MAKEINTATOM(atom), NULL, CC_WIN_STYLE,
r.left, r.top, Rect_Width(r), Rect_Height(r), NULL, NULL, win_instance, NULL);
static void DoCreateWindow(ATOM atom, int width, int height) {
cc_result res;
RECT r;
/* Calculate final window rectangle after window decorations are added (titlebar, borders etc) */
r.left = Display_CentreX(width); r.right = r.left + width;
r.top = Display_CentreY(height); r.bottom = r.top + height;
AdjustWindowRect(&r, CC_WIN_STYLE, false);
if (!win_handle) Logger_Abort2(GetLastError(), "Failed to create window");
if ((win_handle = CreateWindowExW(0, MAKEINTATOM(atom), NULL, CC_WIN_STYLE,
r.left, r.top, Rect_Width(r), Rect_Height(r), NULL, NULL, win_instance, NULL))) return;
res = GetLastError();
/* Windows 98 does not support W API functions */
if (res == ERROR_CALL_NOT_IMPLEMENTED) {
is_ansiWindow = true;
if ((win_handle = CreateWindowExA(0, MAKEINTATOM(atom), NULL, CC_WIN_STYLE,
r.left, r.top, Rect_Width(r), Rect_Height(r), NULL, NULL, win_instance, NULL))) return;
res = GetLastError();
}
Logger_Abort2(res, "Failed to create window");
}
void Window_Create(int width, int height) {
ATOM atom;
win_instance = GetModuleHandle(NULL);
/* TODO: UngroupFromTaskbar(); */
width = Display_ScaleX(width);
height = Display_ScaleY(height);
atom = DoRegisterClass();
DoCreateWindow(atom, width, height);
RefreshWindowBounds();
win_DC = GetDC(win_handle);