80 lines
2.0 KiB
C
80 lines
2.0 KiB
C
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// 20 may 2015
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#include "uipriv_windows.h"
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// TODO switch to uthash
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struct commandHandler {
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HWND hwnd;
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BOOL (*handler)(uiControl *, WORD, LRESULT *);
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uiControl *c;
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};
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struct notifyHandler {
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HWND hwnd;
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BOOL (*handler)(uiControl *, NMHDR *, LRESULT *);
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uiControl *c;
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};
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struct hscrollHandler {
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HWND hwnd;
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BOOL (*handler)(uiControl *, WORD, LRESULT *);
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uiControl *c;
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};
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struct ptrArray *commandHandlers = NULL;
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struct ptrArray *notifyHandlers = NULL;
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struct ptrArray *hscrollHandlers = NULL;
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void uiWindowsRegisterWM_COMMANDHandler(HWND hwnd, BOOL (*handler)(uiControl *, WORD, LRESULT *), uiControl *c)
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{
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struct commandHandler *ch;
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ch = uiNew(struct commandHandler);
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ch->hwnd = hwnd;
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ch->handler = handler;
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ch->c = c;
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if (commandHandlers == NULL)
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commandHandlers = newPtrArray();
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ptrArrayAppend(commandHandlers, ch);
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}
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void uiWindowsUnregisterWM_COMMANDHandler(HWND hwnd)
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{
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struct commandHandler *ch;
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uintmax_t i;
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for (i = 0; i < commandHandlers->len; i++) {
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ch = ptrArrayIndex(commandHandlers, struct commandHandler *, i);
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if (ch->hwnd == hwnd) {
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ptrArrayDelete(commandHandlers, i);
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uiFree(ch);
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if (commandHandlers->len == 0) {
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ptrArrayDestroy(commandHandlers);
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commandHandlers = NULL;
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}
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return;
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}
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}
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complain("window handle %p not registered with a WM_COMMAND handler in uiWindowsUnregisterWM_COMMANDHandler()", hwnd);
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}
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BOOL runWM_COMMAND(WPARAM wParam, LPARAM lParam, LRESULT *lResult)
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{
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HWND control;
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struct commandHandler *ch;
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uintmax_t i;
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// bounce back to the control in question
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// don't bounce back if to the utility window, in which case act as if the message was ignored
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control = (HWND) lParam;
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if (control != NULL && IsChild(utilWindow, control) == 0) {
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for (i = 0; i < commandHandlers->len; i++) {
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ch = ptrArrayIndex(commandHandlers, struct commandHandler *, i);
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if (ch->hwnd == control)
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return (*(ch->handler))(ch->c, HIWORD(wParam), lResult);
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}
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// not registered; fall out to return FALSE
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}
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return FALSE;
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}
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