libui/redo/windows/resize.c

61 lines
1.6 KiB
C

// 14 may 2015
#include "uipriv_windows.h"
static struct ptrArray *resizes;
void initResizes(void)
{
resizes = newPtrArray();
}
void uninitResizes(void)
{
while (resizes->len != 0)
ptrArrayDelete(resizes, 0);
ptrArrayDestroy(resizes);
}
void queueResize(uiControl *c)
{
// TODO make this more robust
ptrArrayAppend(resizes, c);
}
void doResizes(void)
{
uiControl *c, *parent;
intmax_t x, y, width, height;
uiSizing d;
uiSizngSys sys;
while (resizes->len != 0) {
c = ptrArrayIndex(resizes, uiControl *, 0);
ptrArrayDelete(resizes, 0);
parent = uiControlParent(c);
if (parent == NULL) // not in a parent; can't resize
continue; // this is for uiBox, etc.
d.sys = &sys;
uiControlComputeChildSizeArea(parent, &x, &y, &width, &height, &d);
uiControlResize(c, x, y, width, height, &d);
hwnd = (HWND) uiControlHandle(c);
// we used SWP_NOREDRAW; we need to queue a redraw ourselves
// TODO use RedrawWindow() to bypass WS_CLIPCHILDREN complications
if (InvalidateRect(hwnd, NULL, TRUE) == 0)
logLastError("error redrawing controls after a resize in doResizes()");
}
}
#define swpflags (SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOREDRAW)
void moveWindow(HWND hwnd, intmax_t x, intmax_t y, intmax_t width, intmax_t height)
{
if (SetWindowPos(hwnd, NULL, x, y, width, height, swpflags | SWP_NOZORDER) == 0)
logLastError("error moving window in moveWindow()");
}
void moveAndReorderWindow(HWND hwnd, HWND insertAfter, intmax_t x, intmax_t y, intmax_t width, intmax_t height)
{
if (SetWindowPos(hwnd, insertAfter, x, y, width, height, swpflags) == 0)
logLastError("error moving and reordering window in moveAndReorderWindow()");
}