110 lines
3.9 KiB
C
110 lines
3.9 KiB
C
// 7 april 2015
|
|
#include "uipriv_windows.h"
|
|
|
|
/*
|
|
all container windows (including the message-only window, hence this is not in container_windows.c) have to call the sharedWndProc() to ensure messages go in the right place and control colors are handled properly
|
|
*/
|
|
|
|
/*
|
|
all controls that have events receive the events themselves through subclasses
|
|
to do this, all container windows (including the message-only window; see http://support.microsoft.com/default.aspx?scid=KB;EN-US;Q104069) forward WM_COMMAND to each control with this function, WM_NOTIFY with forwardNotify, etc.
|
|
*/
|
|
static LRESULT forwardCommand(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
HWND control = (HWND) lParam;
|
|
|
|
// don't generate an event if the control (if there is one) is unparented (a child of the initial parent window)
|
|
if (control != NULL && IsChild(initialParent, control) == 0)
|
|
return SendMessageW(control, msgCOMMAND, wParam, lParam);
|
|
return DefWindowProcW(hwnd, uMsg, wParam, lParam);
|
|
}
|
|
|
|
static LRESULT forwardNotify(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
NMHDR *nmhdr = (NMHDR *) lParam;
|
|
HWND control = nmhdr->hwndFrom;
|
|
|
|
// don't generate an event if the control (if there is one) is unparented (a child of the initial parent window)
|
|
if (control != NULL && IsChild(initialParent, control) == 0)
|
|
return SendMessageW(control, msgNOTIFY, wParam, lParam);
|
|
return DefWindowProcW(hwnd, uMsg, wParam, lParam);
|
|
}
|
|
|
|
BOOL sharedWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT *lResult)
|
|
{
|
|
switch (uMsg) {
|
|
case WM_COMMAND:
|
|
*lResult = forwardCommand(hwnd, uMsg, wParam, lParam);
|
|
return TRUE;
|
|
case WM_NOTIFY:
|
|
*lResult = forwardNotify(hwnd, uMsg, wParam, lParam);
|
|
return TRUE;
|
|
/*TODO case WM_CTLCOLORSTATIC:
|
|
case WM_CTLCOLORBTN:
|
|
// 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 FALSE;
|
|
if (SetBkMode((HDC) wParam, TRANSPARENT) == 0)
|
|
xpanic("error setting transparent background mode to Labels", GetLastError());
|
|
paintControlBackground((HWND) lParam, (HDC) wParam);
|
|
*lResult = (LRESULT) hollowBrush;
|
|
return TRUE;
|
|
*/ }
|
|
return FALSE;
|
|
}
|
|
|
|
// TODO get source
|
|
#define winXPadding 4
|
|
#define winYPadding 4
|
|
|
|
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);
|
|
}
|
|
|
|
void updateParent(uintptr_t h)
|
|
{
|
|
HWND hwnd;
|
|
|
|
if (h == 0) // no parent
|
|
return;
|
|
hwnd = (HWND) h;
|
|
SendMessageW(hwnd, msgUpdateChild, 0, 0);
|
|
}
|