libui/windows/label.c

80 lines
1.7 KiB
C

// 11 april 2015
#include "uipriv_windows.h"
struct label {
uiLabel l;
HWND hwnd;
};
static BOOL onWM_COMMAND(uiControl *c, WORD code, LRESULT *lResult)
{
return FALSE;
}
static BOOL onWM_NOTIFY(uiControl *c, NMHDR *nm, LRESULT *lResult)
{
return FALSE;
}
static void onDestroy(void *data)
{
struct label *l = (struct label *) data;
uiFree(l);
}
// via http://msdn.microsoft.com/en-us/library/windows/desktop/dn742486.aspx#sizingandspacing
#define labelHeight 8
static void preferredSize(uiControl *c, uiSizing *d, intmax_t *width, intmax_t *height)
{
struct label *l = (struct label *) c;
*width = uiWindowsWindowTextWidth(l->hwnd);
*height = uiDlgUnitsToY(labelHeight, d->sys->baseY);
}
static char *labelText(uiLabel *l)
{
return uiWindowsControlText(uiControl(l));
}
static void labelSetText(uiLabel *l, const char *text)
{
uiWindowsControlSetText(uiControl(l), text);
}
uiLabel *uiNewLabel(const char *text)
{
struct label *l;
uiWindowsNewControlParams p;
WCHAR *wtext;
l = uiNew(struct label);
p.dwExStyle = 0;
p.lpClassName = L"static";
wtext = toUTF16(text);
p.lpWindowName = 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)
p.dwStyle = SS_LEFTNOWORDWRAP | SS_NOPREFIX;
p.hInstance = hInstance;
p.useStandardControlFont = TRUE;
p.onWM_COMMAND = onWM_COMMAND;
p.onWM_NOTIFY = onWM_NOTIFY;
p.onDestroy = onDestroy;
p.onDestroyData = l;
uiWindowsNewControl(uiControl(l), &p);
uiFree(wtext);
l->hwnd = (HWND) uiControlHandle(uiControl(l));
uiControl(l)->PreferredSize = preferredSize;
uiLabel(l)->Text = labelText;
uiLabel(l)->SetText = labelSetText;
return uiLabel(l);
}