119 lines
3.7 KiB
C
119 lines
3.7 KiB
C
// 8 april 2015
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#include "uipriv_windows.h"
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struct spinbox {
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uiSpinbox s;
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HWND hwnd;
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HWND updown;
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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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struct spinbox *s = (struct spinbox *) c;
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BOOL neededCap = FALSE;
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LRESULT val;
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if (code != EN_CHANGE)
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return FALSE;
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// This verifies the value put in, capping it automatically.
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// We don't need to worry about checking for an error; that flag should really be called "did we have to cap?".
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// We DO need to set the value in case of a cap though.
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// TODO if we have change events, we need to make sure doing this doesn't trigger a double event
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val = SendMessageW(s->updown, UDM_GETPOS32, 0, (LPARAM) (&neededCap));
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if (neededCap)
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SendMessageW(s->updown, UDM_SETPOS32, 0, (LPARAM) val);
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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 spinbox *s = (struct spinbox *) data;
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uiFree(s);
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}
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// from http://msdn.microsoft.com/en-us/library/windows/desktop/dn742486.aspx#sizingandspacing
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#define entryWidth 107 /* this is actually the shorter progress bar width, but Microsoft only indicates as wide as necessary */
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#define entryHeight 14
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static void spinboxPreferredSize(uiControl *c, uiSizing *d, intmax_t *width, intmax_t *height)
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{
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*width = uiWindowsDlgUnitsToX(entryWidth, d->Sys->BaseX);
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*height = uiWindowsDlgUnitsToY(entryHeight, d->Sys->BaseY);
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}
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// an up-down control will only properly position itself the first time
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// stupidly, there are no messages to force a size calculation, nor can I seem to reset the buddy window to force a new position
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// alas, we have to make a new up/down control each time :(
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// TODO will we need to store a copy of the current position and range for this?
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static void recreateUpDown(struct spinbox *s)
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{
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HWND parent;
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parent = GetAncestor(s->hwnd, GA_PARENT);
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if (s->updown != NULL)
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if (DestroyWindow(s->updown) == 0)
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logLastError("error destroying old updown in recreateUpDown()");
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s->updown = CreateWindowExW(0,
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UPDOWN_CLASSW, L"",
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// no WS_VISIBLE; we set visibility ourselves
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WS_CHILD | UDS_ALIGNRIGHT | UDS_ARROWKEYS | UDS_HOTTRACK | UDS_NOTHOUSANDS | UDS_SETBUDDYINT,
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// this is important; it's necessary for autosizing to work
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0, 0, 0, 0,
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parent, NULL, hInstance, NULL);
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if (s->updown == NULL)
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logLastError("error creating updown in recreateUpDown()");
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SendMessageW(s->updown, UDM_SETBUDDY, (WPARAM) (s->hwnd), 0);
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// TODO
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SendMessageW(s->updown, UDM_SETRANGE32, 0, 100);
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SendMessageW(s->updown, UDM_SETPOS32, 0, 0);
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if (uiControlContainerVisible(uiControl(s)))
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ShowWindow(s->updown, SW_SHOW);
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}
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static void spinboxResize(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 spinbox *s = (struct spinbox *) c;
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(*(s->baseResize))(uiControl(s), x, y, width, height, d);
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recreateUpDown(s);
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}
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uiSpinbox *uiNewSpinbox(void)
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{
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struct spinbox *s;
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uiWindowsMakeControlParams p;
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s = uiNew(struct spinbox);
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uiTyped(s)->Type = uiTypeSpinbox();
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p.dwExStyle = WS_EX_CLIENTEDGE;
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p.lpClassName = L"edit";
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p.lpWindowName = L"";
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p.dwStyle = ES_AUTOHSCROLL | ES_LEFT | ES_NOHIDESEL | ES_NUMBER | WS_TABSTOP;
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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 = s;
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uiWindowsMakeControl(uiControl(s), &p);
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s->hwnd = (HWND) uiControlHandle(uiControl(s));
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recreateUpDown(s);
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uiControl(s)->PreferredSize = spinboxPreferredSize;
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s->baseResize = uiControl(s)->Resize;
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uiControl(s)->Resize = spinboxResize;
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return uiSpinbox(s);
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}
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