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win32: migrate if/else chain to switch case

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IoIxD 2026-07-17 20:45:50 -07:00
commit 42802313cb
1 changed files with 117 additions and 30 deletions
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147
src/backend/gdi.c
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@ -67,7 +67,9 @@ static LRESULT CALLBACK wndproc(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp) {
if(u == NULL) return DefWindowProc(hWnd, msg, wp, lp);
if(msg == WM_PAINT) {
switch(msg) {
case WM_PAINT:
{
PAINTSTRUCT ps;
RECT rc;
HBITMAP hbmp;
@ -98,7 +100,12 @@ static LRESULT CALLBACK wndproc(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp) {
MwLLDispatch(u->ll, draw, NULL);
EndPaint(hWnd, &ps);
}
} else if(msg == WM_LBUTTONDOWN || msg == WM_MBUTTONDOWN || msg == WM_RBUTTONDOWN) {
break;
}
case WM_LBUTTONDOWN:
case WM_MBUTTONDOWN:
case WM_RBUTTONDOWN:
{
MwMouse p;
p.point.x = LOWORD(lp);
p.point.y = HIWORD(lp);
@ -113,7 +120,12 @@ static LRESULT CALLBACK wndproc(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp) {
SetCapture(hWnd);
SetFocus(hWnd);
MwLLDispatch(u->ll, down, &p);
} else if(msg == WM_LBUTTONUP || msg == WM_MBUTTONUP || msg == WM_RBUTTONUP) {
break;
}
case WM_LBUTTONUP:
case WM_MBUTTONUP:
case WM_RBUTTONUP:
{
MwMouse p;
p.point.x = LOWORD(lp);
p.point.y = HIWORD(lp);
@ -127,7 +139,10 @@ static LRESULT CALLBACK wndproc(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp) {
SetCapture(NULL);
MwLLDispatch(u->ll, up, &p);
} else if(msg == WM_MOUSEWHEEL) {
break;
}
case WM_MOUSEWHEEL:
{
int d = GET_WHEEL_DELTA_WPARAM(wp);
MwMouse p;
p.point.x = LOWORD(lp);
@ -141,7 +156,10 @@ static LRESULT CALLBACK wndproc(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp) {
MwLLDispatch(u->ll, down, &p);
MwLLDispatch(u->ll, up, &p);
} else if(msg == WM_MOUSEMOVE) {
break;
}
case WM_MOUSEMOVE:
{
MwPoint p;
p.x = LOWORD(lp);
p.y = HIWORD(lp);
@ -169,19 +187,35 @@ static LRESULT CALLBACK wndproc(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp) {
SetCursorPos(p.x, p.y);
}
} else if(msg == WM_SIZE) {
break;
}
case WM_SIZE:
{
MwLLDispatch(u->ll, resize, NULL);
} else if(msg == WM_ERASEBKGND) {
break;
}
case WM_ERASEBKGND:
{
return 1;
} else if(msg == WM_NCHITTEST) {
}
case WM_NCHITTEST:
{
LPARAM style = GetWindowLongPtr(hWnd, GWL_STYLE);
if(style & WS_CHILD) return HTCLIENT;
return DefWindowProc(hWnd, msg, wp, lp);
} else if(msg == WM_DESTROY) {
}
case WM_DESTROY:
{
PostQuitMessage(0);
} else if(msg == WM_CLOSE) {
break;
}
case WM_CLOSE:
{
MwLLDispatch(u->ll, close, NULL);
} else if(msg == WM_CHAR || msg == WM_SYSCHAR) {
}
case WM_CHAR:
case WM_SYSCHAR:
{
int n = wp;
const int base = 'A' - 1;
@ -193,24 +227,61 @@ static LRESULT CALLBACK wndproc(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp) {
if(msg == WM_SYSCHAR) n |= MwKEY_ALT_FLAG;
if((0x20 <= n && n <= 0x7f) || (n & MwKEY_FLAG)) MwLLDispatch(u->ll, key, &n);
} else if(msg == WM_SETFOCUS) {
break;
}
case WM_SETFOCUS:
{
MwLLDispatch(u->ll, focus_in, NULL);
} else if(msg == WM_KILLFOCUS) {
break;
}
case WM_KILLFOCUS:
{
MwLLDispatch(u->ll, focus_out, NULL);
} else if(msg == WM_KEYDOWN || msg == WM_KEYUP || msg == WM_SYSKEYDOWN || msg == WM_SYSKEYUP) {
break;
}
case WM_KEYDOWN:
case WM_KEYUP:
case WM_SYSKEYDOWN:
case WM_SYSKEYUP:
{
int n = -1;
if(wp == VK_MENU && msg == WM_KEYUP) return 0;
if(wp == VK_LEFT) n = MwKEY_LEFT;
if(wp == VK_RIGHT) n = MwKEY_RIGHT;
if(wp == VK_UP) n = MwKEY_UP;
if(wp == VK_DOWN) n = MwKEY_DOWN;
if(wp == VK_RETURN) n = MwKEY_ENTER;
if(wp == VK_BACK) n = MwKEY_BACKSPACE;
if(wp == VK_ESCAPE) n = MwKEY_ESCAPE;
if(wp == VK_LSHIFT) n = MwKEY_LEFTSHIFT;
if(wp == VK_RSHIFT) n = MwKEY_RIGHTSHIFT;
if(wp == VK_MENU) n = MwKEY_ALT;
if(wp == VK_CONTROL) n = MwKEY_CONTROL;
switch(wp) {
case VK_LEFT:
n = MwKEY_LEFT;
break;
case VK_RIGHT:
n = MwKEY_RIGHT;
break;
case VK_UP:
n = MwKEY_UP;
break;
case VK_DOWN:
n = MwKEY_DOWN;
break;
case VK_RETURN:
n = MwKEY_ENTER;
break;
case VK_BACK:
n = MwKEY_BACKSPACE;
break;
case VK_ESCAPE:
n = MwKEY_ESCAPE;
break;
case VK_LSHIFT:
n = MwKEY_LEFTSHIFT;
break;
case VK_RSHIFT:
n = MwKEY_RIGHTSHIFT;
break;
case VK_MENU:
n = MwKEY_ALT;
break;
case VK_CONTROL:
n = MwKEY_CONTROL;
break;
}
if((msg == WM_SYSKEYDOWN || msg == WM_SYSKEYUP) && n != -1 && wp != VK_MENU) {
n |= MwKEY_ALT_FLAG;
@ -222,7 +293,10 @@ static LRESULT CALLBACK wndproc(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp) {
MwLLDispatch(u->ll, key_released, &n);
}
}
} else if(msg == WM_GETMINMAXINFO) {
break;
}
case WM_GETMINMAXINFO:
{
if(u->min_set || u->max_set) {
LPARAM style = GetWindowLongPtr(hWnd, GWL_STYLE);
MINMAXINFO* mmi = (MINMAXINFO*)lp;
@ -253,22 +327,35 @@ static LRESULT CALLBACK wndproc(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp) {
} else {
return DefWindowProc(hWnd, msg, wp, lp);
}
} else if(msg == WM_SETCURSOR) {
break;
}
case WM_SETCURSOR:
{
if(LOWORD(lp) != HTCLIENT) return DefWindowProc(hWnd, msg, wp, lp);
if(u->ll->gdi.cursor != NULL) SetCursor(u->ll->gdi.cursor);
} else if(msg == WM_USER) {
break;
}
case WM_USER:
{
InvalidateRect(hWnd, NULL, FALSE);
UpdateWindow(hWnd);
} else if(msg == WM_WININICHANGE) {
break;
}
case WM_WININICHANGE:
{
char* s = (char*)lp;
LPARAM style = GetWindowLongPtr(hWnd, GWL_STYLE);
if(!(style & WS_CHILD)) {
if(s != NULL && strcmp(s, "ImmersiveColorSet") == 0) detect_darktheme(u->ll);
}
} else {
break;
}
default:
{
return DefWindowProc(hWnd, msg, wp, lp);
}
}
return 0;
}