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// 19 may 2015
#include "uipriv_windows.hpp"
struct uiProgressBar {
uiWindowsControl c;
HWND hwnd;
};
uiWindowsControlAllDefaults(uiProgressBar)
// via http://msdn.microsoft.com/en-us/library/windows/desktop/dn742486.aspx#sizingandspacing
#define pbarWidth 237
#define pbarHeight 8
static void uiProgressBarMinimumSize(uiWindowsControl *c, int *width, int *height)
{
uiProgressBar *p = uiProgressBar(c);
uiWindowsSizing sizing;
int x, y;
x = pbarWidth;
y = pbarHeight;
uiWindowsGetSizing(p->hwnd, &sizing);
uiWindowsSizingDlgUnitsToPixels(&sizing, &x, &y);
*width = x;
*height = y;
}
#define indeterminate(p) ((getStyle(p->hwnd) & PBS_MARQUEE) != 0)
int uiProgressBarValue(uiProgressBar *p)
{
if (indeterminate(p))
return -1;
return 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)
{
if (value == -1) {
if (!indeterminate(p)) {
setStyle(p->hwnd, getStyle(p->hwnd) | PBS_MARQUEE);
SendMessageW(p->hwnd, PBM_SETMARQUEE, (WPARAM) TRUE, 0);
}
return;
}
if (indeterminate(p)) {
SendMessageW(p->hwnd, PBM_SETMARQUEE, (WPARAM) FALSE, 0);
setStyle(p->hwnd, getStyle(p->hwnd) & ~PBS_MARQUEE);
}
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);
SendMessageW(p->hwnd, PBM_SETPOS, 100, 0);
SendMessageW(p->hwnd, PBM_SETRANGE32, 0, 100);
return;
}
SendMessageW(p->hwnd, PBM_SETPOS, (WPARAM) (value + 1), 0);
SendMessageW(p->hwnd, PBM_SETPOS, (WPARAM) value, 0);
}
uiProgressBar *uiNewProgressBar(void)
{
uiProgressBar *p;
uiWindowsNewControl(uiProgressBar, p);
p->hwnd = uiWindowsEnsureCreateControlHWND(0,
PROGRESS_CLASSW, L"",
PBS_SMOOTH,
hInstance, NULL,
FALSE);
return p;
}
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