119 lines
3.1 KiB
Objective-C
119 lines
3.1 KiB
Objective-C
// 28 april 2015
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#import "uipriv_darwin.h"
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struct bin {
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uiContainer c;
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void (*baseDestroy)(uiControl *);
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uiControl *mainControl;
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intmax_t marginLeft;
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intmax_t marginTop;
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intmax_t marginRight;
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intmax_t marginBottom;
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};
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void binDestroy(uiControl *c)
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{
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struct bin *b = (struct bin *) c;
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NSView *v;
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// ensure clean removal by making sure the bin has no OS parent
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// note that:
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// - the superview of a NSWindow content view is the window frame
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// - the superview of *the active NSTabView page* is the NSTabView itself (we don't have to worry about other pages because if there are pages, then at least one page will be active, so we will eventually get here)
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v = (NSView *) uiControlHandle(uiControl(b));
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if ([v superview] != nil)
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complain("attempt to destroy bin %p while it has an OS parent", b);
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// don't chain up to base here; we need to destroy children ourselves first
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if (b->mainControl != NULL) {
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uiControlSetParent(b->mainControl, NULL);
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uiControlDestroy(b->mainControl);
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}
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// NOW we can chain up to base
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(*(b->baseDestroy))(uiControl(b));
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uiFree(b);
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}
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void binPreferredSize(uiControl *c, uiSizing *d, intmax_t *width, intmax_t *height)
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{
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struct bin *b = (struct bin *) c;
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intmax_t marginX, marginY;
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if (b->mainControl == NULL) {
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*width = 0;
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*height = 0;
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return;
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}
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uiControlPreferredSize(b->mainControl, d, width, height);
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marginX = b->marginLeft + b->marginRight;
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marginY = b->marginTop + b->marginBottom;
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*width += marginX;
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*height += marginY;
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}
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void binSysFunc(uiControl *c, uiControlSysFuncParams *p)
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{
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struct bin *b = (struct bin *) c;
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if (b->mainControl != NULL)
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uiControlSysFunc(b->mainControl, p);
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}
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void binResizeChildren(uiContainer *c, intmax_t x, intmax_t y, intmax_t width, intmax_t height, uiSizing *d)
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{
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struct bin *b = (struct bin *) c;
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if (b->mainControl == NULL)
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return;
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x += b->marginLeft;
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y += b->marginTop;
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width -= b->marginLeft + b->marginRight;
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height -= b->marginTop + b->marginBottom;
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uiControlResize(b->mainControl, x, y, width, height, d);
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}
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uiContainer *newBin(void)
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{
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struct bin *b;
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b = uiNew(struct bin);
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uiMakeContainer(uiContainer(b));
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b->baseDestroy = uiControl(b)->Destroy;
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uiControl(b)->Destroy = binDestroy;
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uiControl(b)->PreferredSize = binPreferredSize;
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uiControl(b)->SysFunc = binSysFunc;
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uiContainer(b)->ResizeChildren = binResizeChildren;
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return uiContainer(b);
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}
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void binSetMainControl(uiContainer *c, uiControl *mainControl)
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{
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struct bin *b = (struct bin *) c;
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if (b->mainControl != NULL)
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uiControlSetParent(b->mainControl, NULL);
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b->mainControl = mainControl;
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if (b->mainControl != NULL)
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uiControlSetParent(b->mainControl, uiContainer(b));
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uiContainerUpdate(uiContainer(b));
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}
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void binSetMargins(uiContainer *c, intmax_t left, intmax_t top, intmax_t right, intmax_t bottom)
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{
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struct bin *b = (struct bin *) c;
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b->marginLeft = left;
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b->marginRight = right;
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b->marginTop = top;
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b->marginBottom = bottom;
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uiContainerUpdate(uiContainer(b));
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}
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void binSetParent(uiContainer *c, uintptr_t osParent)
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{
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complain("binSetParent() ineffective on OS X; specific selectors need to be called instead");
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}
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