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Adds indeterminate progressbar to windows

This commit is contained in:
emersion 2016-06-16 09:32:13 +02:00
parent 983a53d3c3
commit 7770b5c850
1 changed files with 26 additions and 0 deletions
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26
windows/progressbar.cpp
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@ -26,14 +26,40 @@ static void uiProgressBarMinimumSize(uiWindowsControl *c, int *width, int *heigh
*height = y;
}
int uiProgressBarValue(uiProgressBar *p)
{
LONG_PTR style = GetWindowLongPtr(p->hwnd, GWL_STYLE);
if ((style & PBS_MARQUEE) != 0) {
return -1;
}
return (int) SendMessage(p->hwnd, PBM_GETPOS, 0, 0);
}
// unfortunately, as of Vista progress bars have a forced animation on increase
// we have to set the progress bar to value + 1 and decrease it back to value if we want an "instant" change
// see http://stackoverflow.com/questions/2217688/windows-7-aero-theme-progress-bar-bug
// it's not ideal/perfect, but it will have to do
void uiProgressBarSetValue(uiProgressBar *p, int value)
{
LONG_PTR style = GetWindowLongPtr(p->hwnd, GWL_STYLE);
if (value == -1) {
if ((style & PBS_MARQUEE) == 0) {
SetWindowLongPtr(p->hwnd, GWL_STYLE, style | PBS_MARQUEE);
SendMessage(p->hwnd, PBM_SETMARQUEE, 1, 0);
}
return;
}
if ((style & PBS_MARQUEE) != 0) {
SetWindowLongPtr(p->hwnd, GWL_STYLE, style ^ PBS_MARQUEE);
SendMessage(p->hwnd, PBM_SETMARQUEE, 0, 0);
}
if (value < 0 || value > 100)
userbug("Value %d is out of range for uiProgressBars.", value);
if (value == 100) { // because we can't 101
SendMessageW(p->hwnd, PBM_SETRANGE32, 0, 101);
SendMessageW(p->hwnd, PBM_SETPOS, 101, 0);