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support Fullscreen with Win32 API

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Thomas Bernard
2018-06-21 22:48:07 +02:00
parent 48ee0c06d2
commit 486a0a09d4
2 changed files with 57 additions and 6 deletions
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46
src/win32screen.c
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@@ -216,10 +216,17 @@ static void Win32_CreateWindow(int width, int height, int fullscreen)
DWORD style;
RECT r;
style = WS_CAPTION | WS_MINIMIZEBOX | WS_SYSMENU;
/* allow window to be resized */
style |= WS_THICKFRAME;
style |= WS_MAXIMIZEBOX;
if (fullscreen)
{
style = WS_POPUP;
}
else
{
style = WS_CAPTION | WS_MINIMIZEBOX | WS_SYSMENU;
/* allow window to be resized */
style |= WS_THICKFRAME;
style |= WS_MAXIMIZEBOX;
}
r.left = 0;
r.top = 0;
@@ -240,9 +247,40 @@ static void Win32_CreateWindow(int width, int height, int fullscreen)
void GFX2_Set_mode(int *width, int *height, int fullscreen)
{
static RECT backup_pos = { 0 }; // Last window position used when not in fullscreen
Video_AllocateDib(*width, *height);
if (Win32_hwnd == NULL)
Win32_CreateWindow(*width, *height, fullscreen);
else
{
DWORD style = GetWindowLong(Win32_hwnd, GWL_STYLE);
if (fullscreen)
{
style &= ~WS_OVERLAPPEDWINDOW;
style |= WS_POPUP;
SetWindowLong(Win32_hwnd, GWL_STYLE, style);
SetWindowPos(Win32_hwnd, HWND_TOPMOST, 0, 0, *width, *height, SWP_FRAMECHANGED | SWP_NOCOPYBITS);
}
else if ((style & WS_POPUP) != 0)
{
style &= ~WS_POPUP;
style |= WS_CAPTION | WS_MINIMIZEBOX | WS_SYSMENU | WS_THICKFRAME | WS_MAXIMIZEBOX;
SetWindowLong(Win32_hwnd, GWL_STYLE, style);
if (backup_pos.bottom == 0 || backup_pos.left == 0)
{ // could happen if we started in fullscreen mode
backup_pos.left = backup_pos.right + *width;
backup_pos.bottom = backup_pos.top + *height;
AdjustWindowRect(&backup_pos, style, FALSE);
}
SetWindowPos(Win32_hwnd, HWND_TOPMOST,
backup_pos.left, backup_pos.top,
backup_pos.right - backup_pos.left, backup_pos.bottom - backup_pos.top,
SWP_FRAMECHANGED | SWP_NOCOPYBITS);
}
}
if (!fullscreen)
GetWindowRect(Win32_hwnd, &backup_pos);
}
byte Get_Screen_pixel(int x, int y)