58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
// 19 may 2015
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#include "uipriv_windows.hpp"
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struct uiProgressBar {
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uiWindowsControl c;
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HWND hwnd;
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};
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uiWindowsDefineControl(
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uiProgressBar // type name
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)
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// via http://msdn.microsoft.com/en-us/library/windows/desktop/dn742486.aspx#sizingandspacing
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#define pbarWidth 237
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#define pbarHeight 8
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static void minimumSize(uiWindowsControl *c, uiWindowsSizing *d, intmax_t *width, intmax_t *height)
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{
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*width = uiWindowsDlgUnitsToX(pbarWidth, d->BaseX);
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*height = uiWindowsDlgUnitsToY(pbarHeight, d->BaseY);
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}
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// unfortunately, as of Vista progress bars have a forced animation on increase
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// we have to set the progress bar to value + 1 and decrease it back to value if we want an "instant" change
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// see http://stackoverflow.com/questions/2217688/windows-7-aero-theme-progress-bar-bug
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// it's not ideal/perfect, but it will have to do
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void uiProgressBarSetValue(uiProgressBar *p, int value)
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{
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if (value < 0 || value > 100)
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complain("value %d out of range in uiProgressBarSetValue()", value);
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if (value == 100) { // because we can't 101
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SendMessageW(p->hwnd, PBM_SETRANGE32, 0, 101);
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SendMessageW(p->hwnd, PBM_SETPOS, 101, 0);
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SendMessageW(p->hwnd, PBM_SETPOS, 100, 0);
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SendMessageW(p->hwnd, PBM_SETRANGE32, 0, 100);
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return;
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}
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SendMessageW(p->hwnd, PBM_SETPOS, (WPARAM) (value + 1), 0);
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SendMessageW(p->hwnd, PBM_SETPOS, (WPARAM) value, 0);
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}
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uiProgressBar *uiNewProgressBar(void)
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{
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uiProgressBar *p;
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p = (uiProgressBar *) uiNewControl(uiProgressBarType());
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p->hwnd = uiWindowsEnsureCreateControlHWND(0,
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PROGRESS_CLASSW, L"",
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PBS_SMOOTH,
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hInstance, NULL,
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FALSE);
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uiWindowsFinishNewControl(p, uiProgressBar);
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return p;
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}
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