136 lines
2.7 KiB
C
136 lines
2.7 KiB
C
// 28 august 2015
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#include "uipriv_windows.h"
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// This file contains helpers for managing child controls.
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struct child {
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uiControl *c;
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HWND hwnd;
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// This is a helper for uiTab pages.
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// For visual accuracy of tab page backgrounds, margins are also handled here, applied to the child only (rather than applied to the whole tab page).
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HWND tabpage;
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int margined;
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// This flag is for users of these functions.
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// For uiBox, this is "spaced".
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int flag;
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};
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struct child *newChild(uiControl *child, uiControl *parent, HWND parentHWND)
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{
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struct child *c;
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if (child == NULL)
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return NULL;
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c = uiNew(struct child);
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c->c = child;
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c->hwnd = (HWND) uiControlHandle(c->c);
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uiControlSetParent(c->c, parent);
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uiWindowsEnsureSetParent(c->hwnd, parentHWND);
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return c;
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}
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struct child *newChildWithTabPage(uiControl *child, uiControl *parent, HWND parentHWND)
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{
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struct child *c;
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HWND tabpage;
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tabpage = newTabPage();
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c = newChild(child, parent, tabpage);
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uiWindowsEnsureSetParent(tabpage, parentHWND);
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return c;
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}
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void childRemove(struct child *c)
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{
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uiWindowsEnsureSetParent(c->hwnd, utilwin);
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uiControlSetParent(c->c, NULL);
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if (c->tabpage != NULL)
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uiWindowsEnsureDestroyWindow(c->tabpage);
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uiFree(c);
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}
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void childDestroy(struct child *c)
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{
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uiControl *child;
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child = c->c;
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childRemove(c);
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uiControlDestroy(child);
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}
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HWND childHWND(struct child *c)
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{
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return c->hwnd;
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}
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void childMinimumSize(struct child *c, uiWindowsSizing *d, intmax_t *width, intmax_t *height)
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{
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uiWindowsControl *wc;
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intmax_t left, top, right, bottom
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wc = uiWindowsControl(c->c);
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(*(wc->MinimumSize))(wc, d, width, height);
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if (c->tabpage != NULL && c->margined) {
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tabPageMargins(c->tabpage, &left, &top, &right, &bottom);
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*width += left + right;
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*height += top + bottom;
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}
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}
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void childRelayout(struct child *c, intmax_t x, intmax_t y, intmax_t width, intmax_t height)
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{
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uiWindowsControl *wc;
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intmax_t left, top, right, bottom;
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if (c->tabpage != NULL) {
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uiWindowsEnsureMoveWindow(c->tabpage, x, y, width, height);
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x = 0; // and make relative to the client rect of the tab page
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y = 0;
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if (c->margined) {
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tabPageMargins(c->tabpage, &left, &top, &right, &bottom);
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x += left;
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y += top;
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width -= left + right;
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height -= top + bottom;
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}
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}
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wc = uiWindowsControl(c->c);
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(*(wc->Relayout))(wc, x, y, width, height);
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}
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void childUpdateState(struct child *c)
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{
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controlUpdateState(c->c);
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}
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HWND childTabPage(struct child *c)
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{
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return c->tabpage;
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}
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int childMargined(struct child *c)
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{
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return c->margined;
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}
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void childSetMargined(struct child *c)
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{
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c->margined = margined;
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uiControlQueueResize(c->c);
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}
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int childFlag(struct child *c)
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{
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return c->flag;
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}
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void childSetFlag(struct child *c, int flag)
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{
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c->flag = flag;
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}
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