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w32_common: allow window resizing with --no-border 

Conflicts:
	video/out/w32_common.c
This commit is contained in:
James Ross-Gowan 2014-12-30 00:52:34 +11:00 committed by Diogo Franco (Kovensky)
parent ca048e8d6d
commit f5c19f29af
1 changed files with 58 additions and 0 deletions
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58
video/out/w32_common.c
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@ -16,6 +16,7 @@
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define _WIN32_WINNT 0x0600
#include <stdio.h>
#include <limits.h>
#include <pthread.h>
@ -310,6 +311,56 @@ static void subtract_window_borders(HWND hwnd, RECT *rc)
rc->bottom -= b.bottom;
}
static bool is_maximized(struct vo_w32_state *w32)
{
WINDOWPLACEMENT wp = { .length = sizeof(WINDOWPLACEMENT) };
GetWindowPlacement(w32->window, &wp);
return wp.showCmd == SW_SHOWMAXIMIZED;
}
static LRESULT borderless_nchittest(struct vo_w32_state *w32, int x, int y)
{
if (is_maximized(w32))
return HTCLIENT;
POINT mouse = { x, y };
ScreenToClient(w32->window, &mouse);
// The diagonal size handles are slightly wider than the side borders
int handle_width = GetSystemMetrics(SM_CXSMSIZE) +
GetSystemMetrics(SM_CXBORDER);
// Hit-test top border
int frame_height = GetSystemMetrics(SM_CYFRAME) +
GetSystemMetrics(SM_CXPADDEDBORDER);
if (mouse.y < frame_height) {
if (mouse.x < handle_width)
return HTTOPLEFT;
if (mouse.x > w32->dw - handle_width)
return HTTOPRIGHT;
return HTTOP;
}
// Hit-test bottom border
if (mouse.y > w32->dh - frame_height) {
if (mouse.x < handle_width)
return HTBOTTOMLEFT;
if (mouse.x > w32->dw - handle_width)
return HTBOTTOMRIGHT;
return HTBOTTOM;
}
// Hit-test side borders
int frame_width = GetSystemMetrics(SM_CXFRAME) +
GetSystemMetrics(SM_CXPADDEDBORDER);
if (mouse.x < frame_width)
return HTLEFT;
if (mouse.x > w32->dw - frame_width)
return HTRIGHT;
return HTCLIENT;
}
// turn a WMSZ_* input value in v into the border that should be resized
// returns: 0=left, 1=top, 2=right, 3=bottom, -1=undefined
static int get_resize_border(int v)
@ -595,6 +646,13 @@ static LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam,
break;
}
break;
case WM_NCHITTEST:
// Provide sizing handles for borderless windows
if (!w32->opts->border && !w32->opts->fullscreen) {
return borderless_nchittest(w32, GET_X_LPARAM(lParam),
GET_Y_LPARAM(lParam));
}
break;
case WM_SYSKEYDOWN:
// Open the window menu on Alt+Space. Normally DefWindowProc opens the
// window menu in response to WM_SYSCHAR, but since mpv translates its