123 lines
3.5 KiB
C
123 lines
3.5 KiB
C
// 11 may 2015
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#include "uipriv_windows.h"
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struct group {
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uiGroup g;
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HWND hwnd;
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uiControl *child;
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void (*baseResize)(uiControl *, intmax_t, intmax_t, intmax_t, intmax_t, uiSizing *);
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};
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static BOOL onWM_COMMAND(uiControl *c, WORD code, LRESULT *lResult)
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{
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return FALSE;
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}
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static BOOL onWM_NOTIFY(uiControl *c, NMHDR *nm, LRESULT *lResult)
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{
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return FALSE;
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}
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static void onDestroy(void *data)
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{
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struct group *g = (struct group *) data;
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if (g->child != NULL) {
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uiControlSetParent(g->child, NULL);
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uiControlDestroy(g->child);
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}
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uiFree(g);
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}
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// TODO get source
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#define groupXMargin 6
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#define groupYMarginTop 11 /* note this value /includes the groupbox label */
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#define groupYMarginBottom 7
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// unfortunately because the client area of a groupbox includes the frame and caption text, we have to apply some margins ourselves, even if we don't want "any"
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// these were deduced by hand based on the standard DLU conversions; the X and Y top margins are the width and height, respectively, of one character cell
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// they can be fine-tuned later
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#define groupUnmarginedXMargin 4
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#define groupUnmarginedYMarginTop 8
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#define groupUnmarginedYMarginBottom 3
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static void groupPreferredSize(uiControl *c, uiSizing *d, intmax_t *width, intmax_t *height)
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{
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struct group *g = (struct group *) c;
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uiControlPreferredSize(g->child, d, width, height);
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*width += uiWindowsDlgUnitsToX(groupUnmarginedXMargin, d->Sys->BaseX) * 2;
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*height += uiWindowsDlgUnitsToY(groupUnmarginedYMarginTop, d->Sys->BaseY) + uiWindowsDlgUnitsToY(groupUnmarginedYMarginBottom, d->Sys->BaseY);
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}
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static void groupResize(uiControl *c, intmax_t x, intmax_t y, intmax_t width, intmax_t height, uiSizing *d)
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{
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struct group *g = (struct group *) c;
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(*(g->baseResize))(uiControl(g), x, y, width, height, d);
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if (g->child != NULL)
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uiControlQueueResize(g->child);
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}
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static void groupComputeChildSize(uiControl *c, intmax_t *x, intmax_t *y, intmax_t *width, intmax_t *height, uiSizing *d)
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{
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struct group *g = (struct group *) c;
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RECT r;
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if (GetClientRect(g->hwnd, &r) == 0)
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logLastError("error getting uiGroup client rect for computing child size in groupResize()");
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r.left += uiWindowsDlgUnitsToX(groupUnmarginedXMargin, d->Sys->BaseX);
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r.top += uiWindowsDlgUnitsToY(groupUnmarginedYMarginTop, d->Sys->BaseY);
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r.right -= uiWindowsDlgUnitsToX(groupUnmarginedXMargin, d->Sys->BaseX);
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r.bottom -= uiWindowsDlgUnitsToY(groupUnmarginedYMarginBottom, d->Sys->BaseY);
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*x = r.left;
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*y = r.top;
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*width = r.right - r.left;
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*height = r.bottom - r.top;
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}
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static void groupSetChild(uiGroup *gg, uiControl *c)
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{
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struct group *g = (struct group *) gg;
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g->child = c;
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if (g->child != NULL)
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uiControlQueueResize(g->child);
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}
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uiGroup *uiNewGroup(const char *text)
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{
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struct group *g;
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uiWindowsMakeControlParams p;
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WCHAR *wtext;
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g = uiNew(struct group);
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p.dwExStyle = WS_EX_CONTROLPARENT;
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p.lpClassName = L"button";
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wtext = toUTF16(text);
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p.lpWindowName = wtext;
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p.dwStyle = BS_GROUPBOX;
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p.hInstance = hInstance;
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p.lpParam = NULL;
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p.useStandardControlFont = TRUE;
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p.onWM_COMMAND = onWM_COMMAND;
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p.onWM_NOTIFY = onWM_NOTIFY;
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p.onDestroy = onDestroy;
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p.onDestroyData = g;
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uiWindowsMakeControl(uiControl(g), &p);
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uiFree(wtext);
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g->hwnd = (HWND) uiControlHandle(uiControl(g));
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uiControl(g)->PreferredSize = groupPreferredSize;
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g->baseResize = uiControl(g)->Resize;
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uiControl(g)->Resize = groupResize;
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uiControl(g)->ComputeChildSize = groupComputeChildSize;
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// TODO enable, disable, sysfunc
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uiGroup(g)->SetChild = groupSetChild;
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return uiGroup(g);
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}
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