libui/windows/container.c

68 lines
1.7 KiB
C

// 26 april 2015
#include "uipriv_windows.h"
// Code for the HWND of the following uiControls:
// - uiBox
// - uiRadioButtons
static LRESULT CALLBACK containerWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
RECT r;
HDC dc;
PAINTSTRUCT ps;
LRESULT lResult;
if (handleParentMessages(hwnd, uMsg, wParam, lParam, &lResult) != FALSE)
return lResult;
switch (uMsg) {
case WM_PAINT:
dc = BeginPaint(hwnd, &ps);
if (dc == NULL)
logLastError("error beginning container paint in containerWndProc()");
r = ps.rcPaint;
paintContainerBackground(hwnd, dc, &r);
EndPaint(hwnd, &ps);
return 0;
// tab controls use this to draw the background of the tab area
case WM_PRINTCLIENT:
if (GetClientRect(hwnd, &r) == 0)
logLastError("error getting client rect in containerWndProc()");
paintContainerBackground(hwnd, (HDC) wParam, &r);
return 0;
case WM_ERASEBKGND:
// avoid some flicker
// we draw the whole update area anyway
return 1;
}
return DefWindowProcW(hwnd, uMsg, wParam, lParam);
}
ATOM initContainer(HICON hDefaultIcon, HCURSOR hDefaultCursor)
{
WNDCLASSW wc;
ZeroMemory(&wc, sizeof (WNDCLASSW));
wc.lpszClassName = containerClass;
wc.lpfnWndProc = containerWndProc;
wc.hInstance = hInstance;
wc.hIcon = hDefaultIcon;
wc.hCursor = hDefaultCursor;
wc.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1);
return RegisterClassW(&wc);
}
void uninitContainer(void)
{
if (UnregisterClassW(containerClass, hInstance) == 0)
logLastError("error unregistering container window class in uninitContainer()");
}
HWND newContainer(void)
{
return uiWindowsEnsureCreateControlHWND(WS_EX_CONTROLPARENT,
containerClass, L"",
0,
hInstance, NULL,
FALSE);
}