diff options
Diffstat (limited to 'new/windows/parent.c')
| -rw-r--r-- | new/windows/parent.c | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/new/windows/parent.c b/new/windows/parent.c deleted file mode 100644 index b3606d1..0000000 --- a/new/windows/parent.c +++ /dev/null @@ -1,268 +0,0 @@ -// 10 april 2015 -#include "uipriv_windows.h" - -// All controls in package ui are children of a window of this class. -// This keeps everything together, makes hiding controls en masse (tab page switching, for instance) easy, and makes the overall design cleaner. -// In addition, controls that are first created or don't have a parent are considered children of the "initial parent", which is also of this class. -// This parent is invisible, disabled, and should not be interacted with. - -// TODOs -// - wiith CTLCOLOR handler: [12:24] <ZeroOne> There's flickering between tabs -// - with CTLCOLOR handler: [12:24] <ZeroOne> And setting the button text blanked out the entire GUI until I ran my mouse over the elements / [12:25] <ZeroOne> https://dl.dropboxusercontent.com/u/15144168/GUI%20stuff.png / [12:41] <ZeroOne> https://dl.dropboxusercontent.com/u/15144168/stack.png here have another screenshot -// - I get this too - -#define uiParentClass L"uiParentClass" - -HWND initialParent; - -static void paintControlBackground(HWND hwnd, HDC dc) -{ - HWND parent; - RECT r; - POINT pOrig; - DWORD le; - - parent = hwnd; - for (;;) { - parent = GetParent(parent); - if (parent == NULL) - logLastError("error getting parent control of control in paintControlBackground()"); - // wine sends these messages early, yay... - if (parent == initialParent) - return; - // skip groupboxes; they're (supposed to be) transparent - if (windowClassOf(parent, L"button", NULL) != 0) - break; - } - if (GetWindowRect(hwnd, &r) == 0) - logLastError("error getting control's window rect in paintControlBackground()"); - // the above is a window rect in screen coordinates; convert to parent coordinates - SetLastError(0); - if (MapWindowRect(NULL, parent, &r) == 0) { - le = GetLastError(); - SetLastError(le); // just to be safe - if (le != 0) - logLastError("error getting client origin of control in paintControlBackground()"); - } - if (SetWindowOrgEx(dc, r.left, r.top, &pOrig) == 0) - logLastError("error moving window origin in paintControlBackground()"); - SendMessageW(parent, WM_PRINTCLIENT, (WPARAM) dc, PRF_CLIENT); - if (SetWindowOrgEx(dc, pOrig.x, pOrig.y, NULL) == 0) - logLastError("error resetting window origin in paintControlBackground()"); -} - -// from https://msdn.microsoft.com/en-us/library/windows/desktop/dn742486.aspx#sizingandspacing and https://msdn.microsoft.com/en-us/library/windows/desktop/bb226818%28v=vs.85%29.aspx -// this X value is really only for buttons but I don't see a better one :/ -#define winXPadding 4 -#define winYPadding 4 - -static void resize(uiControl *control, HWND parent, RECT r, RECT margin) -{ - uiSizing d; - uiSizingSys sys; - HDC dc; - HFONT prevfont; - TEXTMETRICW tm; - SIZE size; - - size.cx = 0; - size.cy = 0; - ZeroMemory(&tm, sizeof (TEXTMETRICW)); - dc = GetDC(parent); - if (dc == NULL) - logLastError("error getting DC in resize()"); - prevfont = (HFONT) SelectObject(dc, hMessageFont); - if (prevfont == NULL) - logLastError("error loading control font into device context in resize()"); - if (GetTextMetricsW(dc, &tm) == 0) - logLastError("error getting text metrics in resize()"); - if (GetTextExtentPoint32W(dc, L"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz", 52, &size) == 0) - logLastError("error getting text extent point in resize()"); - sys.baseX = (int) ((size.cx / 26 + 1) / 2); - sys.baseY = (int) tm.tmHeight; - sys.internalLeading = tm.tmInternalLeading; - if (SelectObject(dc, prevfont) != hMessageFont) - logLastError("error restoring previous font into device context in resize()"); - if (ReleaseDC(parent, dc) == 0) - logLastError("error releasing DC in resize()"); - r.left += uiDlgUnitsToX(margin.left, sys.baseX); - r.top += uiDlgUnitsToY(margin.top, sys.baseY); - r.right -= uiDlgUnitsToX(margin.right, sys.baseX); - r.bottom -= uiDlgUnitsToY(margin.bottom, sys.baseY); - d.xPadding = uiDlgUnitsToX(winXPadding, sys.baseX); - d.yPadding = uiDlgUnitsToY(winYPadding, sys.baseY); - d.sys = &sys; - uiControlResize(control, r.left, r.top, r.right - r.left, r.bottom - r.top, &d); -} - -struct parent { - HWND hwnd; - uiControl *child; - intmax_t marginLeft; - intmax_t marginTop; - intmax_t marginRight; - intmax_t marginBottom; -}; - -static LRESULT CALLBACK parentWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) -{ - uiParent *p; - struct parent *pp; - CREATESTRUCTW *cs = (CREATESTRUCTW *) lParam; - HWND control; - NMHDR *nm = (NMHDR *) lParam; - WINDOWPOS *wp = (WINDOWPOS *) lParam; - RECT r, margin; - - // these must always be executed, even on the initial parent - // why? http://blogs.msdn.com/b/oldnewthing/archive/2010/03/16/9979112.aspx - switch (uMsg) { - case WM_COMMAND: - // bounce back to the control in question - // except if to the initial parent, in which case act as if the message was ignored - control = (HWND) lParam; - if (control != NULL && IsChild(initialParent, control) == 0) - return SendMessageW(control, msgCOMMAND, wParam, lParam); - return DefWindowProcW(hwnd, uMsg, wParam, lParam); - case WM_NOTIFY: - // same as WM_COMMAND - control = nm->hwndFrom; - if (control != NULL && IsChild(initialParent, control) == 0) - return SendMessageW(control, msgNOTIFY, wParam, lParam); - return DefWindowProcW(hwnd, uMsg, wParam, lParam); - case WM_CTLCOLORSTATIC: - case WM_CTLCOLORBTN: -/*TODO // read-only TextFields and Textboxes are exempt - // this is because read-only edit controls count under WM_CTLCOLORSTATIC - if (windowClassOf((HWND) lParam, L"edit", NULL) == 0) - if (textfieldReadOnly((HWND) lParam)) - return DefWindowProcW(hwnd, uMsg, wParam, lParam); -*/ if (SetBkMode((HDC) wParam, TRANSPARENT) == 0) - logLastError("error setting transparent background mode to controls in parentWndProc()"); - paintControlBackground((HWND) lParam, (HDC) wParam); - return (LRESULT) hollowBrush; - } - - // these are only executed on actual parents - p = (uiParent *) GetWindowLongPtrW(hwnd, GWLP_USERDATA); - if (p == NULL) { - if (uMsg == WM_NCCREATE) { - p = (uiParent *) (cs->lpCreateParams); - // this will be NULL for the initial parent; that's what we want - SetWindowLongPtrW(hwnd, GWLP_USERDATA, (LONG_PTR) p); - // fall through to DefWindowProcW() - } - // this is the return the initial parent will always use - return DefWindowProcW(hwnd, uMsg, wParam, lParam); - } - pp = (struct parent *) (p->Internal); - switch (uMsg) { - case WM_NCDESTROY: - // no need to explicitly destroy children; they're already gone by this point (and so are their data structures; they clean up after themselves) - uiFree(p->Internal); - uiFree(p); - break; // fall through to DefWindowPocW() - case WM_WINDOWPOSCHANGED: - if ((wp->flags & SWP_NOSIZE) != 0) - break; - // fall through - case msgUpdateChild: - if (pp->child == NULL) - break; - if (GetClientRect(pp->hwnd, &r) == 0) - logLastError("error getting client rect for resize in parentWndProc()"); - margin.left = pp->marginLeft; - margin.top = pp->marginTop; - margin.right = pp->marginRight; - margin.bottom = pp->marginBottom; - resize(pp->child, pp->hwnd, r, margin); - return 0; - } - - return DefWindowProcW(hwnd, uMsg, wParam, lParam); -} - -const char *initParent(HICON hDefaultIcon, HCURSOR hDefaultCursor) -{ - WNDCLASSW wc; - - ZeroMemory(&wc, sizeof (WNDCLASSW)); - wc.lpszClassName = uiParentClass; - wc.lpfnWndProc = parentWndProc; - wc.hInstance = hInstance; - wc.hIcon = hDefaultIcon; - wc.hCursor = hDefaultCursor; - wc.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1); - if (RegisterClassW(&wc) == 0) - return "registering parent window class"; - - initialParent = CreateWindowExW(0, - uiParentClass, L"", - WS_OVERLAPPEDWINDOW, - 0, 0, - 100, 100, - NULL, NULL, hInstance, NULL); - if (initialParent == NULL) - return "creating initial parent window"; - - // just to be safe, disable the initial parent so it can't be interacted with accidentally - // if this causes issues for our controls, we can remove it - EnableWindow(initialParent, FALSE); - return NULL; -} - -static uintptr_t parentHandle(uiParent *p) -{ - struct parent *pp = (struct parent *) (p->Internal); - - return (uintptr_t) (pp->hwnd); -} - -static void parentSetChild(uiParent *p, uiControl *child) -{ - struct parent *pp = (struct parent *) (p->Internal); - - pp->child = child; - if (pp->child != NULL) - uiControlSetParent(child, p); -} - -static void parentSetMargins(uiParent *p, intmax_t left, intmax_t top, intmax_t right, intmax_t bottom) -{ - struct parent *pp = (struct parent *) (p->Internal); - - pp->marginLeft = left; - pp->marginTop = top; - pp->marginRight = right; - pp->marginBottom = bottom; -} - -static void parentUpdate(uiParent *p) -{ - struct parent *pp = (struct parent *) (p->Internal); - - SendMessageW(pp->hwnd, msgUpdateChild, 0, 0); -} - -uiParent *uiNewParent(uintptr_t osParent) -{ - uiParent *p; - struct parent *pp; - - p = uiNew(uiParent); - p->Internal = uiNew(struct parent); // set now in case the parent class window procedure uses it - pp = (struct parent *) (p->Internal); - pp->hwnd = CreateWindowExW(0, - uiParentClass, L"", - WS_CHILD | WS_VISIBLE, - 0, 0, - 0, 0, - (HWND) osParent, NULL, hInstance, p); - if (pp->hwnd == NULL) - logLastError("error creating uiParent window in uiNewParent()"); - p->Handle = parentHandle; - p->SetChild = parentSetChild; - p->SetMargins = parentSetMargins; - p->Update = parentUpdate; - return p; -} |
