Got rid of all the template cruft and other nonsense from events.cpp.
This commit is contained in:
Pietro Gagliardi
parent
df190dc368
commit
99aba5a3b8
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@ -1,121 +1,132 @@
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// 20 may 2015
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#include "uipriv_windows.hpp"
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// In each of these structures, hwnd is the hash key.
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struct commandHandler {
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BOOL (*handler)(uiControl *, HWND, WORD, LRESULT *);
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struct handler {
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BOOL (*commandHandler)(uiControl *, HWND, WORD, LRESULT *);
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BOOL (*notifyHandler)(uiControl *, HWND, NMHDR *, LRESULT *);
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BOOL (*hscrollHandler)(uiControl *, HWND, WORD, LRESULT *);
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uiControl *c;
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};
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struct notifyHandler {
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BOOL (*handler)(uiControl *, HWND, NMHDR *, LRESULT *);
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uiControl *c;
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};
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struct hscrollHandler {
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BOOL (*handler)(uiControl *, HWND, WORD, LRESULT *);
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uiControl *c;
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};
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static std::map<HWND, struct commandHandler> commandHandlers;
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static std::map<HWND, struct notifyHandler> notifyHandlers;
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static std::map<HWND, struct hscrollHandler> hscrollHandlers;
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template<typename thirdArg, std::map<HWND, typename> &handlers>
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static void registerHandler(HWND hwnd, BOOL (*handler)(uiControl *, HWND, thirdArg, LRESULT *), uiControl *c, const char *mname, const char *fname)
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struct handler()
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{
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if (handlers.find(hwnd) != handlers.end())
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complain("window handle %p already subscribed with a %s handler in %s", hwnd, mname, fname);
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handlers[hwnd].handler = handler;
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handlers[hwnd].c = c;
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this->commandHandler = NULL;
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this->notifyHandler = NULL;
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this->hscrollHandler = NULL;
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}
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};
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static std::map<HWND, struct handler> handlers;
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void uiWindowsRegisterWM_COMMANDHandler(HWND hwnd, BOOL (*handler)(uiControl *, HWND, WORD, LRESULT *), uiControl *c)
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{
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registerHandler<WORD, commandHandlers>(hwnd, handler, c, "WM_COMMAND", "uiWindowsRegisterWM_COMMANDHandler()");
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if (handlers[hwnd].commandHandler != NULL)
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complain("already registered a WM_COMMAND handler to window handle %p in uiWindowsRegisterWM_COMMANDHandler()", hwnd);
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handlers[hwnd].commandHandler = handler;
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handlers[hwnd].c = c;
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}
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void uiWindowsRegisterWM_NOTIFYHandler(HWND hwnd, BOOL (*handler)(uiControl *, HWND, NMHDR *, LRESULT *), uiControl *c)
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{
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registerHandler<NMHDR *, notifyHandlers>(hwnd, handler, c, "WM_NOTIFY", "uiWindowsRegisterWM_NOTIFYHandler()");
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if (handlers[hwnd].notifyHandler != NULL)
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complain("already registered a WM_NOTIFY handler to window handle %p in uiWindowsRegisterWM_NOTIFYHandler()", hwnd);
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handlers[hwnd].notifyHandler = handler;
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handlers[hwnd].c = c;
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}
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void uiWindowsRegisterWM_HSCROLLHandler(HWND hwnd, BOOL (*handler)(uiControl *, HWND, WORD, LRESULT *), uiControl *c)
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{
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registerHandler<WORD, hscrollHandlers>(hwnd, handler, c, "WM_HSCROLL", "uiWindowsRegisterWM_HSCROLLHandler");
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}
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template<std::map<HWND, typename> &handlers>
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static void unregisterHandler(HWND hwnd, const char *mname, const char *fname)
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{
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if (handlers.find(hwnd) == handlers.end())
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complain("window handle %p not registered with a %s handler in %s", hwnd, mname, fname);
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handlers.erase(hwnd);
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if (handlers[hwnd].hscrollHandler != NULL)
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complain("already registered a WM_HSCROLL handler to window handle %p in uiWindowsRegisterWM_HSCROLLHandler()", hwnd);
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handlers[hwnd].hscrollHandler = handler;
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handlers[hwnd].c = c;
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}
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void uiWindowsUnregisterWM_COMMANDHandler(HWND hwnd)
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{
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unregisterHandler<commandHandlers>(hwnd, "WM_COMMAND", "uiWindowsUnregisterWM_COMMANDHandler()");
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if (handlers[hwnd].commandHandler == NULL)
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complain("window handle %p not registered to receive WM_COMMAND events in uiWindowsUnregisterWM_COMMANDHandler()", hwnd);
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handlers[hwnd].commandHandler = NULL;
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}
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void uiWindowsUnregisterWM_NOTIFYHandler(HWND hwnd)
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{
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unregisterHandler<notifyHandlers>(hwnd, "WM_NOTIFY", "uiWindowsUnregisterWM_NOTIFYHandler()");
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if (handlers[hwnd].notifyHandler == NULL)
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complain("window handle %p not registered to receive WM_NOTIFY events in uiWindowsUnregisterWM_NOTIFYHandler()", hwnd);
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handlers[hwnd].notifyHandler = NULL;
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}
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void uiWindowsUnregisterWM_HSCROLLHandler(HWND hwnd)
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{
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unregisterHandler<hscrollHandlers>(hwnd, "WM_HSCROLL", "uiWindowsUnregisterWM_HSCROLLHandler()");
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if (handlers[hwnd].hscrollHandler == NULL)
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complain("window handle %p not registered to receive WM_HSCROLL events in uiWindowsUnregisterWM_HSCROLLHandler()", hwnd);
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handlers[hwnd].hscrollHandler = NULL;
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}
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template<typename thirdArg, std::map<HWND, typename> &handlers, HWND (*getHWND)(WPARAM, LPARAM), thirdArg (*getThirdArg)(WPARAM, LPARAM)>
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static BOOL runHandler(WPARAM wParam, LPARAM lParam, LRESULT *lResult)
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template<typename T>
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static BOOL shouldRun(HWND hwnd, T method)
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{
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HWND control;
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// bounce back to the control in question
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// dn't bounce back if to the utility window, in which case act as if the message was ignored
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control = (*getHWND)(wParam, lParam);
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if (control != NULL && IsChild(utilWindow, control) == 0) {
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if (handlers.find(control) != handlers.end())
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return (*(handlers[control].handler))(handlers[control].c, control, (*getThirdArg)(wParam, lParam), lResult);
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// not registered; fall out to return FALSE
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}
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// not from a window
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if (hwnd == NULL)
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return FALSE;
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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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if (IsChild(utilWindow, hwnd) != 0)
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return FALSE;
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// registered?
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return method == NULL;
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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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return runHandler<WORD, commandHandlers,
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[](WPARAM wParam, LPARAM lParam) {
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return (HWND) lParam;
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HWND hwnd;
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WORD arg3;
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BOOL (*handler)(uiControl *, HWND, WORD, LRESULT *);
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uiControl *c;
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hwnd = (HWND) lParam;
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arg3 = HIWORD(wParam);
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handler = handlers[hwnd].commandHandler;
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c = handlers[hwnd].c;
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if (shouldRun(hwnd, handler))
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return (*handler)(c, hwnd, arg3, lResult);
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return FALSE;
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}
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},
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[](WPARAM wParam, LPARAM lParam) {
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return HIWORD(wParam);
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return ;
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}>(wParam, lParam, lResult);
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}
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BOOL runWM_NOTIFY(WPARAM wParam, LPARAM lParam, LRESULT *lResult)
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{
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return runHandler<NMHDR *, notifyHandlers,
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[](WPARAM wParam, LPARAM lParam) {
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return ((NMHDR *) lParam)->hwndFrom;
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},
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[](WPARAM wParam, LPARAM lParam) {
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return (NMHDR *) lParam;
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}>(wParam, lParam, lResult);
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HWND hwnd;
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NMHDR *arg3;
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BOOL (*handler)(uiControl *, HWND, WORD, LRESULT *);
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uiControl *c;
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arg3 = (NMHDR *) lParam;
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hwnd = arg3->hwndFrom;
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handler = handlers[hwnd].notifyHandler;
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c = handlers[hwnd].c;
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if (shouldRun(hwnd, handler))
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return (*handler)(c, hwnd, arg3, lResult);
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return FALSE;
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}
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BOOL runWM_HSCROLL(WPARAM wParam, LPARAM lParam, LRESULT *lResult)
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{
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return runHandler<WORD, hscrollHandlers,
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[](WPARAM wParam, LPARAM lParam) {
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return (HWND) lParam;
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},
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[](WPARAM wParam, LPARAM lParam) {
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return LOWORD(wParam);
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}>(wParam, lParam, lResult);
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HWND hwnd;
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WORD arg3;
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BOOL (*handler)(uiControl *, HWND, WORD, LRESULT *);
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uiControl *c;
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hwnd = (HWND) lParam;
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arg3 = LOWORD(wParam);
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handler = handlers[hwnd].hscrollHandler;
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c = handlers[hwnd].c;
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if (shouldRun(hwnd, handler))
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return (*handler)(c, hwnd, arg3, lResult);
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return FALSE;
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}
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static std::map<HWND, bool> wininichanges;
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