libui/windows/label.cpp

58 lines
1.3 KiB
C++

// 11 april 2015
#include "uipriv_windows.hpp"
struct uiLabel {
uiWindowsControl c;
HWND hwnd;
};
uiWindowsControlAllDefaults(uiLabel)
// via http://msdn.microsoft.com/en-us/library/windows/desktop/dn742486.aspx#sizingandspacing
#define labelHeight 8
static void uiLabelMinimumSize(uiWindowsControl *c, intmax_t *width, intmax_t *height)
{
uiLabel *l = uiLabel(c);
uiWindowsSizing sizing;
int y;
*width = uiWindowsWindowTextWidth(l->hwnd);
y = labelHeight;
uiWindowsGetSizing(l->hwnd, &sizing);
uiWindowsSizingDlgUnitsToY(&sizing, NULL, &y);
*height = y;
}
char *uiLabelText(uiLabel *l)
{
return uiWindowsWindowText(l->hwnd);
}
void uiLabelSetText(uiLabel *l, const char *text)
{
uiWindowsSetWindowText(l->hwnd, text);
// changing the text might necessitate a change in the label's size
uiWindowsControlMinimumSizeChanged(uiWindowsControl(l));
}
uiLabel *uiNewLabel(const char *text)
{
uiLabel *l;
WCHAR *wtext;
uiWindowsNewControl(uiLabel, l);
wtext = toUTF16(text);
l->hwnd = uiWindowsEnsureCreateControlHWND(0,
L"static", wtext,
// SS_LEFTNOWORDWRAP clips text past the end; SS_NOPREFIX avoids accelerator translation
// controls are vertically aligned to the top by default (thanks Xeek in irc.freenode.net/#winapi)
SS_LEFTNOWORDWRAP | SS_NOPREFIX,
hInstance, NULL,
TRUE);
uiFree(wtext);
return l;
}