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More font dialog stuff.

This commit is contained in:
Pietro Gagliardi 2016-04-15 13:18:06 -04:00
parent fa94298015
commit 0ad767721d
1 changed files with 103 additions and 3 deletions
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106
windows/fontdialog.cpp
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@ -33,6 +33,90 @@ static LRESULT cbInsertStringAtTop(HWND cb, WCHAR *str)
return lr;
}
static void wipeStylesBox(struct fontDialog *f)
{
IDWriteFont *font;
LRESULT i, n;
n = SendMessageW(f->styleCombobox, CB_GETCOUNT, 0, 0);
if (n == (LRESULT) CB_ERR)
logLastError("error getting combobox item count in wipeStylesBox()");
for (i = 0; i < n; i++) {
font = (IDWriteFont *) SendMessageW(f->styleCombobox, CB_GETITEMDATA, (WPARAM) i, 0);
if (font == (IDWriteFont *) CB_ERR)
logLastError("error getting font to release it in wipeStylesBox()");
font->Release();
}
SendMessageW(f->styleCombobox, CB_RESETCONTENT, 0, 0);
}
static WCHAR *fontStyleName(struct fontDialog *f, IDWriteFont *font)
{
IDWriteLocalizedStrings *str;
BOOL exists;
WCHAR *wstr;
HRESULT hr;
// first try this; if this is present, use it...
hr = font->GetInformationalStrings(DWRITE_INFORMATIONAL_STRING_PREFERRED_SUBFAMILY_NAMES, &str, &exists);
if (hr != S_OK)
logHRESULT("error getting preferred subfamily string in fontStyleName()", hr);
if (exists)
goto good;
// ...otherwise this font is good enough to be part of the main one on GDI as well, so try that name
hr = font->GetInformationalStrings(DWRITE_INFORMATIONAL_STRING_WIN32_SUBFAMILY_NAMES, &str, &exists);
if (hr != S_OK)
logHRESULT("error getting Win32 subfamily string in fontStyleName()", hr);
// TODO what if !exists?
good:
wstr = fontCollectionCorrectString(f->fc, str);
str->Release();
return wstr;
}
static void familyChanged(struct fontDialog *f)
{
LRESULT n;
IDWriteFontList *specifics;
IDWriteFont *specific;
UINT32 i, ns;
WCHAR *label;
LRESULT pos;
HRESULT hr;
wipeStylesBox(f);
n = SendMessageW(f->familyCombobox, CB_GETCURSEL, 0, 0);
if (n == (LRESULT) CB_ERR)
return; // TODO restore previous selection
// TODO figure out what the correct sort order is
hr = f->families[n]->GetMatchingFonts(
DWRITE_FONT_WEIGHT_NORMAL,
DWRITE_FONT_STRETCH_NORMAL,
DWRITE_FONT_STYLE_NORMAL,
&specifics);
if (hr != S_OK)
logHRESULT("error getting styles for font in familyChanged()", hr);
// TODO test mutliple streteches; all the fonts I have have only one stretch value
ns = specifics->GetFontCount();
for (i = 0; i < ns; i++) {
hr = specifics->GetFont(i, &specific);
if (hr != S_OK)
logHRESULT("error getting font for filling styles box in familyChanged()", hr);
label = fontStyleName(f, specific);
pos = cbAddString(f->styleCombobox, label);
uiFree(label);
if (SendMessageW(f->styleCombobox, CB_SETITEMDATA, (WPARAM) pos, (LPARAM) specific) == (LRESULT) CB_ERR)
logLastError("error setting font data in styles box in familyChanged()");
}
// TODO do we preserve style selection?
}
static struct fontDialog *beginFontDialog(HWND hwnd, LPARAM lParam)
{
struct fontDialog *f;
@ -104,6 +188,11 @@ static struct fontDialog *beginFontDialog(HWND hwnd, LPARAM lParam)
// note: we can't add ES_NUMBER to the combobox entry (it seems to disable the entry instead?!), so we must do validation when the box is dmissed; TODO
// TODO actually select Arial
if (SendMessageW(f->familyCombobox, CB_SETCURSEL, (WPARAM) 0, 0) != 0)
logLastError("error selecting Arial in the family combobox in beginFontDialog()");
familyChanged(f);
return f;
}
@ -111,6 +200,7 @@ static void endFontDialog(struct fontDialog *f, INT_PTR code)
{
UINT32 i;
wipeStylesBox(f);
for (i = 0; i < f->nFamilies; i++)
f->families[i]->Release();
delete[] f->families;
@ -150,9 +240,19 @@ static INT_PTR CALLBACK fontDialogDlgProc(HWND hwnd, UINT uMsg, WPARAM wParam, L
switch (uMsg) {
case WM_COMMAND:
if (HIWORD(wParam) != BN_CLICKED)
return FALSE;
return tryFinishDialog(f, wParam);
switch (LOWORD(wParam)) {
case IDOK:
case IDCANCEL:
if (HIWORD(wParam) != BN_CLICKED)
return FALSE;
return tryFinishDialog(f, wParam);
case rcFontFamilyCombobox:
if (HIWORD(wParam) != CBN_SELCHANGE)
return FALSE;
familyChanged(f);
return TRUE;
}
return FALSE;
}
return FALSE;
}