libui/redo/windows/tabpage.c

101 lines
3.1 KiB
C

// 30 may 2015
#include "uipriv_windows.h"
// This is a special internal control type that handles tab pages.
// This doesn't use the container class, but rather a subclassed WC_DIALOG, as that supports tab textures properly.
// The standard property sheet control oes the same thing.
// TODO (long term) figure out how to use uiContainer with this
// TODO verify that the tab page texture doesn't end too soon
// TODO container update state
struct tabPage {
uiControl c;
HWND hwnd;
uiControl *control; // TODO rename child
int margined;
void (*baseResize)(uiControl *, intmax_t, intmax_t, intmax_t, intmax_t, uiSizing *);
};
uiDefineControlType(tabPage, tabPageType, struct tabPage)
// TODO override methods
// TODO when overriding CommitDestroy, DO NOT DESTROY THE CHILD
static uintptr_t tabPageHandle(uiControl *c)
{
struct tabPage *t = (struct tabPage *) c;
return (uintptr_t) (t->hwnd);
}
// from http://msdn.microsoft.com/en-us/library/windows/desktop/bb226818%28v=vs.85%29.aspx
#define tabMargin 7
static void tabPageResize(uiControl *c, intmax_t x, intmax_t y, intmax_t width, intmax_t height, uiSizing *d)
{
struct tabPage *t = (struct tabPage *) c;
RECT r;
uiSizing *dchild;
(*(t->baseResize))(uiControl(t), x, y, width, height, d);
dchild = uiControlSizing(uiControl(t));
if (GetClientRect(t->hwnd, &r) == 0)
logLastError("error getting tab page client rect in tabPageResize()");
if (t->margined) {
r.left += uiWindowsDlgUnitsToX(tabMargin, d->Sys->BaseX);
r.top += uiWindowsDlgUnitsToY(tabMargin, d->Sys->BaseY);
r.right -= uiWindowsDlgUnitsToX(tabMargin, d->Sys->BaseX);
r.bottom -= uiWindowsDlgUnitsToY(tabMargin, d->Sys->BaseY);
}
// this rect is in client coordinates; we need toplevel window coordinates
mapWindowRect(t->hwnd, dchild->Sys->CoordFrom, &r);
uiControlResize(t->control, r.left, r.top, r.right - r.left, r.bottom - r.top, dchild);
uiFreeSizing(dchild);
}
// dummy dialog function; see below for details
INT_PTR CALLBACK dlgproc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
if (uMsg == WM_INITDIALOG)
return TRUE;
return FALSE;
}
uiControl *newTabPage(uiControl *child)
{
struct tabPage *t;
HRESULT hr;
t = (struct tabPage *) uiWindowsNewSingleHWNDControl(tabPageType());
// unfortunately this needs to be a proper dialog for EnableThemeDialogTexture() to work; CreateWindowExW() won't suffice
t->hwnd = CreateDialogW(hInstance, MAKEINTRESOURCE(rcTabPageDialog),
utilWindow, dlgproc);
if (t->hwnd == NULL)
logLastError("error creating tab page in newTabPage()");
// TODO figure out why this is not working
hr = EnableThemeDialogTexture(t->hwnd, ETDT_ENABLE | ETDT_USETABTEXTURE | ETDT_ENABLETAB);
if (hr != S_OK)
logHRESULT("error setting tab page background in newTabPage()", hr);
// TODO subclass hwnd to handle events
// needs to be done here, otherwise the uiControlSetParent() below will crash
// TODO split into separate functions
uiControl(t)->Handle = tabPageHandle;
t->control = child;
uiControlSetParent(t->control, uiControl(t));
t->baseResize = uiControl(t)->Resize;
uiControl(t)->Resize = tabPageResize;
return uiControl(t);
}