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111 lines
3.0 KiB
C++
111 lines
3.0 KiB
C++
// 26 april 2015
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#include "uipriv_windows.hpp"
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// Code for the HWND of the following uiControls:
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// - uiBox
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// - uiRadioButtons
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// - uiSpinbox
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// - uiTab
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// - uiForm
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// - uiGrid
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struct containerInit {
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uiWindowsControl *c;
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void (*onResize)(uiWindowsControl *);
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};
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static LRESULT CALLBACK containerWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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RECT r;
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HDC dc;
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PAINTSTRUCT ps;
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CREATESTRUCTW *cs = (CREATESTRUCTW *) lParam;
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WINDOWPOS *wp = (WINDOWPOS *) lParam;
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MINMAXINFO *mmi = (MINMAXINFO *) lParam;
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struct containerInit *init;
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uiWindowsControl *c;
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void (*onResize)(uiWindowsControl *);
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int minwid, minht;
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LRESULT lResult;
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if (handleParentMessages(hwnd, uMsg, wParam, lParam, &lResult) != FALSE)
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return lResult;
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switch (uMsg) {
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case WM_CREATE:
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init = (struct containerInit *) (cs->lpCreateParams);
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SetWindowLongPtrW(hwnd, GWLP_USERDATA, (LONG_PTR) (init->onResize));
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SetWindowLongPtrW(hwnd, 0, (LONG_PTR) (init->c));
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break; // defer to DefWindowProc()
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case WM_WINDOWPOSCHANGED:
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if ((wp->flags & SWP_NOSIZE) != 0)
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break; // defer to DefWindowProc();
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onResize = (void (*)(uiWindowsControl *)) GetWindowLongPtrW(hwnd, GWLP_USERDATA);
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c = (uiWindowsControl *) GetWindowLongPtrW(hwnd, 0);
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(*(onResize))(c);
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return 0;
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case WM_GETMINMAXINFO:
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lResult = DefWindowProcW(hwnd, uMsg, wParam, lParam);
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c = (uiWindowsControl *) GetWindowLongPtrW(hwnd, 0);
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uiWindowsControlMinimumSize(c, &minwid, &minht);
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mmi->ptMinTrackSize.x = minwid;
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mmi->ptMinTrackSize.y = minht;
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return lResult;
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case WM_PAINT:
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dc = BeginPaint(hwnd, &ps);
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if (dc == NULL) {
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logLastError(L"error beginning container paint");
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// bail out; hope DefWindowProc() catches us
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break;
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}
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r = ps.rcPaint;
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paintContainerBackground(hwnd, dc, &r);
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EndPaint(hwnd, &ps);
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return 0;
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// tab controls use this to draw the background of the tab area
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case WM_PRINTCLIENT:
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uiWindowsEnsureGetClientRect(hwnd, &r);
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paintContainerBackground(hwnd, (HDC) wParam, &r);
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return 0;
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case WM_ERASEBKGND:
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// avoid some flicker
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// we draw the whole update area anyway
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return 1;
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}
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return DefWindowProcW(hwnd, uMsg, wParam, lParam);
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}
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ATOM initContainer(HICON hDefaultIcon, HCURSOR hDefaultCursor)
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{
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WNDCLASSW wc;
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ZeroMemory(&wc, sizeof (WNDCLASSW));
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wc.lpszClassName = containerClass;
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wc.lpfnWndProc = containerWndProc;
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wc.hInstance = hInstance;
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wc.hIcon = hDefaultIcon;
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wc.hCursor = hDefaultCursor;
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wc.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1);
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wc.cbWndExtra = sizeof (void *);
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return RegisterClassW(&wc);
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}
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void uninitContainer(void)
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{
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if (UnregisterClassW(containerClass, hInstance) == 0)
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logLastError(L"error unregistering container window class");
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}
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HWND uiWindowsMakeContainer(uiWindowsControl *c, void (*onResize)(uiWindowsControl *))
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{
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struct containerInit init;
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// TODO onResize cannot be NULL
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init.c = c;
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init.onResize = onResize;
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return uiWindowsEnsureCreateControlHWND(WS_EX_CONTROLPARENT,
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containerClass, L"",
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0,
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hInstance, (LPVOID) (&init),
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FALSE);
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}
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