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More experiments in properly sizing our themed buttons since I'll just be custom-drawing them in their entirety based on the UIFILE's specification of content alignment.

This commit is contained in:
Pietro Gagliardi 2018-10-16 11:25:22 -04:00
parent fcec8693ca
commit 83ba0b1a41
1 changed files with 61 additions and 7 deletions
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68
doc/misctests/winbuttonexplorertheme.cpp
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@ -44,6 +44,7 @@ HICON helpIcon;
HIMAGELIST rightList;
HTHEME theme = NULL;
HTHEME textstyleTheme = NULL;
HIMAGELIST dropdownArrowList = NULL;
HFONT buttonFont = NULL;
@ -178,7 +179,7 @@ void updateTheme(HWND hwnd)
HDC dc;
SIZE size;
HBITMAP hb;
HTHEME fontTheme, buttonTheme;
HTHEME buttonTheme;
LOGFONTW lf;
MARGINS marginOffsets;
RECT margins;
@ -198,12 +199,17 @@ void updateTheme(HWND hwnd)
ImageList_Destroy(dropdownArrowList);
dropdownArrowList = NULL;
}
if (textstyleTheme != NULL) {
CloseThemeData(textstyleTheme);
textstyleTheme = NULL;
}
if (theme != NULL) {
CloseThemeData(theme);
theme = NULL;
}
theme = OpenThemeData(hwnd, L"CommandModule");
textstyleTheme = OpenThemeData(hwnd, L"TEXTSTYLE");
dc = GetDC(hwnd);
// TS_MIN returns 1x1 and TS_DRAW returns 0x0, so...
GetThemePartSize(theme, dc,
@ -226,13 +232,11 @@ void updateTheme(HWND hwnd)
for (i = 0; i < 3; i++)
SendMessageW(leftButtons[i], BCM_SETIMAGELIST, 0, (LPARAM) (&bim));
fontTheme = OpenThemeData(hwnd, L"TEXTSTYLE");
// TODO find the right TMT constant
GetThemeFont(fontTheme, NULL,
GetThemeFont(textstyleTheme, NULL,
4, 0,
TMT_FONT, &lf);
buttonFont = CreateFontIndirectW(&lf);
CloseThemeData(fontTheme);
for (i = 0; i < 5; i++)
SendMessageW(leftButtons[i], WM_SETFONT, (WPARAM) buttonFont, TRUE);
@ -252,6 +256,58 @@ void updateTheme(HWND hwnd)
diele("BCM_SETTEXTMARGIN");
}
// TODO check errors
SIZE buttonSize(HWND button)
{
HDC dc;
LRESULT n;
WCHAR *buf;
RECT textRect;
RECT contentRect;
RECT extentRect;
SIZE ret;
dc = GetDC(button);
n = SendMessageW(button, WM_GETTEXTLENGTH, 0, 0);
buf = new WCHAR[n + 1];
GetWindowTextW(button, buf, n + 1);
GetThemeTextExtent(textstyleTheme, dc,
4, 0,
buf, n, DT_CENTER,
NULL, &textRect);
contentRect.left = 0;
contentRect.top = 0;
contentRect.right = textRect.right - textRect.left;
contentRect.bottom = textRect.bottom - textRect.top;
if (button == leftButtons[0] || button == leftButtons[1] || button == leftButtons[2]) {
SIZE arrowSize;
// TODO this should be in DIPs
contentRect.right += 1;
// TS_MIN returns 1x1 and TS_DRAW returns 0x0, so...
GetThemePartSize(theme, dc,
6, 0,
NULL, TS_TRUE, &arrowSize);
contentRect.right += arrowSize.cx;
if (contentRect.bottom < arrowSize.cy)
contentRect.bottom = arrowSize.cy;
}
// TODO these should be DIPs
contentRect.right += 13 * 2;
contentRect.bottom += 5 * 2;
GetThemeBackgroundExtent(theme, dc,
3, 1,
&contentRect, &extentRect);
ReleaseDC(button, dc);
ret.cx = extentRect.right - extentRect.left;
ret.cy = extentRect.bottom - extentRect.top;
return ret;
}
void repositionButtons(HWND hwnd)
{
HDWP dwp;
@ -265,9 +321,7 @@ void repositionButtons(HWND hwnd)
buttonx = 5;
buttony = 5;
for (i = 0; i < 5; i++) {
ZeroMemory(&size, sizeof (SIZE));
if (SendMessageW(leftButtons[i], BCM_GETIDEALSIZE, 0, (LPARAM) (&size)) == 0)
diele("BCM_GETIDEALSIZE");
size = buttonSize(leftButtons[i]);
dwp = DeferWindowPos(dwp, leftButtons[i], NULL,
buttonx, buttony, size.cx, size.cy,
SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOZORDER);