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More Windows popover error checking and bug fixes.

This commit is contained in:
Pietro Gagliardi 2014-10-10 12:25:14 -04:00
parent 8a74b95fcf
commit 1fc82c55f4
1 changed files with 16 additions and 8 deletions
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24
windowspopover/main.c
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@ -25,7 +25,6 @@
// - investigate visual styles
// - put the client and non-client areas in the right place
// - make sure redrawing is correct (especially for backgrounds)
// - wine: BLACK_PEN draws a white line? (might change later so eh)
// - should the parent window appear deactivated?
HWND popover;
@ -49,13 +48,14 @@ struct popover {
LONG arrowBottom;
};
struct popover _p = { NULL, -1, -1, 20, -1 };
struct popover *p = &_p;
HRGN makePopoverRegion(HDC dc, LONG width, LONG height)
{
POINT pt[20];
int n;
HRGN region;
struct popover _p = { NULL, -1, -1, 20, -1 };
struct popover *p = &_p;
LONG xmax, ymax;
if (BeginPath(dc) == 0)
@ -162,6 +162,7 @@ LRESULT CALLBACK popoverproc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
LONG width;
LONG height;
WINDOWPOS *wp;
HBRUSH brush;
switch (uMsg) {
case WM_NCPAINT:
@ -173,11 +174,18 @@ LRESULT CALLBACK popoverproc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
if (dc == NULL)
xpanic("error getting Popover window DC for drawing border", GetLastError());
region = makePopoverRegion(dc, width, height);
// TODO isolate the class brush to a constant
// TODO object errors (or switch to path functions?)
if (FillRgn(dc, region, GetSysColorBrush(COLOR_BTNFACE)) == 0)
// TODO isolate the brush name to a constant
// unfortunately FillRgn() doesn't document the COLOR+1 trick as working there
brush = GetSysColorBrush(COLOR_BTNFACE);
if (brush == NULL)
xpanic("error getting Popover background brush", GetLastError());
if (FillRgn(dc, region, brush) == 0)
xpanic("error drawing Popover background", GetLastError());
if (FrameRgn(dc, region, GetStockObject(BLACK_PEN), 1, 1) == 0)
// TODO use a system color brush?
brush = (HBRUSH) GetStockObject(BLACK_BRUSH);
if (brush == NULL)
xpanic("error getting Popover border brush", GetLastError());
if (FrameRgn(dc, region, brush, 1, 1) == 0)
xpanic("error drawing Popover border", GetLastError());
if (DeleteObject(region) == 0)
xpanic("error deleting Popover shape region", GetLastError());
@ -217,7 +225,7 @@ LRESULT CALLBACK popoverproc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
dc = BeginPaint(hwnd, &ps);
GetClientRect(hwnd, &r);
FillRect(dc, &r, GetSysColorBrush(COLOR_ACTIVECAPTION));
FrameRect(dc, &r, GetStockPen(WHITE_PEN));
FrameRect(dc, &r, GetStockPen(WHITE_BRUSH));
EndPaint(hwnd, &ps);
return 0;
}