mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-11-05 16:20:10 +00:00
[win32] Use pango_win32_font_description_from_logfontw() to get
the system font, instead of the code duplication.
This commit is contained in:
Martin Schlemmer
Fridrich Štrba
parent
04e241fd85
commit
8476d22dea
@ -30,6 +30,9 @@
|
||||
* http://msdn.microsoft.com/library/default.asp?url=/library/en-us/gdi/pantdraw_4b3g.asp
|
||||
*/
|
||||
|
||||
/* Include first, else we get redefinition warnings about STRICT */
|
||||
#include "pango/pangowin32.h"
|
||||
|
||||
#include "msw_style.h"
|
||||
#include "xp_theme.h"
|
||||
|
||||
@ -172,24 +175,22 @@ static struct
|
||||
};
|
||||
|
||||
static gboolean
|
||||
get_system_font (XpThemeClass klazz, XpThemeFont type, LOGFONT *out_lf)
|
||||
get_system_font (XpThemeClass klazz, XpThemeFont type, LOGFONTW *out_lf)
|
||||
{
|
||||
#if 0
|
||||
/* TODO: this causes crashes later because the font name is in UCS2, and
|
||||
the pango fns don't deal with that gracefully */
|
||||
if (xp_theme_get_system_font (klazz, type, out_lf))
|
||||
{
|
||||
return TRUE;
|
||||
}
|
||||
else
|
||||
#endif
|
||||
{
|
||||
NONCLIENTMETRICS ncm;
|
||||
/* Use wide char versions here, as the theming functions only support
|
||||
* wide chars versions of the structures. */
|
||||
NONCLIENTMETRICSW ncm;
|
||||
|
||||
ncm.cbSize = sizeof (NONCLIENTMETRICS);
|
||||
ncm.cbSize = sizeof (NONCLIENTMETRICSW);
|
||||
|
||||
if (SystemParametersInfo (SPI_GETNONCLIENTMETRICS,
|
||||
sizeof (NONCLIENTMETRICS), &ncm, 0))
|
||||
if (SystemParametersInfoW (SPI_GETNONCLIENTMETRICS,
|
||||
sizeof (NONCLIENTMETRICSW), &ncm, 0))
|
||||
{
|
||||
if (type == XP_THEME_FONT_CAPTION)
|
||||
*out_lf = ncm.lfCaptionFont;
|
||||
@ -207,312 +208,56 @@ get_system_font (XpThemeClass klazz, XpThemeFont type, LOGFONT *out_lf)
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/***************************** BEGIN STOLEN FROM PANGO *****************************/
|
||||
|
||||
/*
|
||||
This code is stolen from Pango 1.4. It attempts to address the following problems:
|
||||
|
||||
http://bugzilla.gnome.org/show_bug.cgi?id=135098
|
||||
http://sourceforge.net/tracker/index.php?func=detail&aid=895762&group_id=76416&atid=547655
|
||||
|
||||
As Owen suggested in bug 135098, once Pango 1.6 is released, we need to get rid of this code.
|
||||
*/
|
||||
|
||||
#define PING(printlist)
|
||||
|
||||
/* TrueType defines: */
|
||||
|
||||
#define MAKE_TT_TABLE_NAME(c1, c2, c3, c4) \
|
||||
(((guint32)c4) << 24 | ((guint32)c3) << 16 | ((guint32)c2) << 8 | ((guint32)c1))
|
||||
|
||||
#define CMAP (MAKE_TT_TABLE_NAME('c','m','a','p'))
|
||||
#define CMAP_HEADER_SIZE 4
|
||||
|
||||
#define NAME (MAKE_TT_TABLE_NAME('n','a','m','e'))
|
||||
#define NAME_HEADER_SIZE 6
|
||||
|
||||
#define ENCODING_TABLE_SIZE 8
|
||||
|
||||
#define APPLE_UNICODE_PLATFORM_ID 0
|
||||
#define MACINTOSH_PLATFORM_ID 1
|
||||
#define ISO_PLATFORM_ID 2
|
||||
#define MICROSOFT_PLATFORM_ID 3
|
||||
|
||||
#define SYMBOL_ENCODING_ID 0
|
||||
#define UNICODE_ENCODING_ID 1
|
||||
#define UCS4_ENCODING_ID 10
|
||||
|
||||
struct name_header
|
||||
{
|
||||
guint16 format_selector;
|
||||
guint16 num_records;
|
||||
guint16 string_storage_offset;
|
||||
};
|
||||
|
||||
struct name_record
|
||||
{
|
||||
guint16 platform_id;
|
||||
guint16 encoding_id;
|
||||
guint16 language_id;
|
||||
guint16 name_id;
|
||||
guint16 string_length;
|
||||
guint16 string_offset;
|
||||
};
|
||||
|
||||
static gboolean
|
||||
pango_win32_get_name_header (HDC hdc, struct name_header *header)
|
||||
{
|
||||
if (GetFontData (hdc, NAME, 0, header, sizeof (*header)) != sizeof (*header))
|
||||
return FALSE;
|
||||
|
||||
header->num_records = GUINT16_FROM_BE (header->num_records);
|
||||
header->string_storage_offset = GUINT16_FROM_BE (header->string_storage_offset);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
pango_win32_get_name_record (HDC hdc, gint i, struct name_record *record)
|
||||
{
|
||||
if (GetFontData (hdc, NAME, 6 + i * sizeof (*record),
|
||||
record, sizeof (*record)) != sizeof (*record))
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
record->platform_id = GUINT16_FROM_BE (record->platform_id);
|
||||
record->encoding_id = GUINT16_FROM_BE (record->encoding_id);
|
||||
record->language_id = GUINT16_FROM_BE (record->language_id);
|
||||
record->name_id = GUINT16_FROM_BE (record->name_id);
|
||||
record->string_length = GUINT16_FROM_BE (record->string_length);
|
||||
record->string_offset = GUINT16_FROM_BE (record->string_offset);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gchar *
|
||||
get_family_name (LOGFONT *lfp, HDC pango_win32_hdc)
|
||||
{
|
||||
HFONT hfont;
|
||||
HFONT oldhfont;
|
||||
|
||||
struct name_header header;
|
||||
struct name_record record;
|
||||
|
||||
gint unicode_ix = -1, mac_ix = -1, microsoft_ix = -1;
|
||||
gint name_ix;
|
||||
gchar *codeset;
|
||||
|
||||
gchar *string = NULL;
|
||||
gchar *name;
|
||||
|
||||
size_t i, l, nbytes;
|
||||
|
||||
/* If lfFaceName is ASCII, assume it is the common (English) name for the
|
||||
font. Is this valid? Do some TrueType fonts have different names in
|
||||
French, German, etc, and does the system return these if the locale is
|
||||
set to use French, German, etc? */
|
||||
l = strlen (lfp->lfFaceName);
|
||||
for (i = 0; i < l; i++)
|
||||
{
|
||||
if (lfp->lfFaceName[i] < ' ' || lfp->lfFaceName[i] > '~')
|
||||
{
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (i == l)
|
||||
return g_strdup (lfp->lfFaceName);
|
||||
|
||||
if ((hfont = CreateFontIndirect (lfp)) == NULL)
|
||||
goto fail0;
|
||||
|
||||
if ((oldhfont = (HFONT) SelectObject (pango_win32_hdc, hfont)) == NULL)
|
||||
goto fail1;
|
||||
|
||||
if (!pango_win32_get_name_header (pango_win32_hdc, &header))
|
||||
goto fail2;
|
||||
|
||||
PING (("%d name records", header.num_records));
|
||||
|
||||
for (i = 0; i < header.num_records; i++)
|
||||
{
|
||||
if (!pango_win32_get_name_record (pango_win32_hdc, i, &record))
|
||||
goto fail2;
|
||||
|
||||
if ((record.name_id != 1 && record.name_id != 16) || record.string_length <= 0)
|
||||
continue;
|
||||
|
||||
PING (("platform:%d encoding:%d language:%04x name_id:%d",
|
||||
record.platform_id, record.encoding_id, record.language_id,
|
||||
record.name_id));
|
||||
|
||||
if (record.platform_id == APPLE_UNICODE_PLATFORM_ID ||
|
||||
record.platform_id == ISO_PLATFORM_ID)
|
||||
{
|
||||
unicode_ix = i;
|
||||
}
|
||||
else if (record.platform_id == MACINTOSH_PLATFORM_ID && record.encoding_id == 0 && /* Roman
|
||||
*/
|
||||
record.language_id == 0) /* English */
|
||||
{
|
||||
mac_ix = i;
|
||||
}
|
||||
else if (record.platform_id == MICROSOFT_PLATFORM_ID)
|
||||
{
|
||||
if ((microsoft_ix == -1 ||
|
||||
PRIMARYLANGID (record.language_id) == LANG_ENGLISH) &&
|
||||
(record.encoding_id == SYMBOL_ENCODING_ID ||
|
||||
record.encoding_id == UNICODE_ENCODING_ID ||
|
||||
record.encoding_id == UCS4_ENCODING_ID))
|
||||
{
|
||||
microsoft_ix = i;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (microsoft_ix >= 0)
|
||||
name_ix = microsoft_ix;
|
||||
else if (mac_ix >= 0)
|
||||
name_ix = mac_ix;
|
||||
else if (unicode_ix >= 0)
|
||||
name_ix = unicode_ix;
|
||||
else
|
||||
goto fail2;
|
||||
|
||||
if (!pango_win32_get_name_record (pango_win32_hdc, name_ix, &record))
|
||||
goto fail2;
|
||||
|
||||
string = g_malloc (record.string_length + 1);
|
||||
if (GetFontData (pango_win32_hdc, NAME,
|
||||
header.string_storage_offset + record.string_offset,
|
||||
string, record.string_length) != record.string_length)
|
||||
goto fail2;
|
||||
|
||||
string[record.string_length] = '\0';
|
||||
|
||||
if (name_ix == microsoft_ix)
|
||||
{
|
||||
if (record.encoding_id == SYMBOL_ENCODING_ID ||
|
||||
record.encoding_id == UNICODE_ENCODING_ID)
|
||||
{
|
||||
codeset = "UTF-16BE";
|
||||
}
|
||||
else
|
||||
{
|
||||
codeset = "UCS-4BE";
|
||||
}
|
||||
}
|
||||
else if (name_ix == mac_ix)
|
||||
{
|
||||
codeset = "MacRoman";
|
||||
}
|
||||
else /* name_ix == unicode_ix */
|
||||
{
|
||||
codeset = "UCS-4BE";
|
||||
}
|
||||
|
||||
|
||||
name = g_convert (string, record.string_length, "UTF-8", codeset, NULL,
|
||||
&nbytes, NULL);
|
||||
if (name == NULL)
|
||||
goto fail2;
|
||||
|
||||
g_free (string);
|
||||
|
||||
PING (("%s", name));
|
||||
|
||||
SelectObject (pango_win32_hdc, oldhfont);
|
||||
DeleteObject (hfont);
|
||||
|
||||
return name;
|
||||
|
||||
fail2:
|
||||
g_free (string);
|
||||
SelectObject (pango_win32_hdc, oldhfont);
|
||||
|
||||
fail1:
|
||||
DeleteObject (hfont);
|
||||
|
||||
fail0:
|
||||
return g_locale_to_utf8 (lfp->lfFaceName, -1, NULL, NULL, NULL);
|
||||
}
|
||||
|
||||
/***************************** END STOLEN FROM PANGO *****************************/
|
||||
|
||||
static char *
|
||||
sys_font_to_pango_font (XpThemeClass klazz, XpThemeFont type, char *buf,
|
||||
size_t bufsiz)
|
||||
{
|
||||
HDC hDC;
|
||||
HWND hwnd;
|
||||
LOGFONT lf;
|
||||
int pt_size;
|
||||
const char *weight;
|
||||
const char *style;
|
||||
char *font;
|
||||
LOGFONTW lf;
|
||||
|
||||
if (get_system_font (klazz, type, &lf))
|
||||
{
|
||||
switch (lf.lfWeight)
|
||||
{
|
||||
case FW_THIN:
|
||||
case FW_EXTRALIGHT:
|
||||
weight = "Ultra-Light";
|
||||
break;
|
||||
PangoFontDescription *desc = NULL;
|
||||
int pt_size;
|
||||
const char *font;
|
||||
|
||||
case FW_LIGHT:
|
||||
weight = "Light";
|
||||
break;
|
||||
|
||||
case FW_BOLD:
|
||||
weight = "Bold";
|
||||
break;
|
||||
|
||||
case FW_SEMIBOLD:
|
||||
weight = "Semi-Bold";
|
||||
break;
|
||||
|
||||
case FW_ULTRABOLD:
|
||||
weight = "Ultra-Bold";
|
||||
break;
|
||||
|
||||
case FW_HEAVY:
|
||||
weight = "Heavy";
|
||||
break;
|
||||
|
||||
default:
|
||||
weight = "";
|
||||
break;
|
||||
}
|
||||
|
||||
if (lf.lfItalic)
|
||||
style = "Italic";
|
||||
else
|
||||
style = "";
|
||||
|
||||
hwnd = GetDesktopWindow ();
|
||||
hDC = GetDC (hwnd);
|
||||
if (hDC)
|
||||
{
|
||||
pt_size = -MulDiv (lf.lfHeight, 72,
|
||||
GetDeviceCaps (hDC, LOGPIXELSY));
|
||||
}
|
||||
else
|
||||
{
|
||||
pt_size = 10;
|
||||
}
|
||||
|
||||
font = get_family_name (&lf, hDC);
|
||||
|
||||
if (hDC)
|
||||
ReleaseDC (hwnd, hDC);
|
||||
|
||||
if (!(font && *font))
|
||||
desc = pango_win32_font_description_from_logfontw (&lf);
|
||||
if (!desc)
|
||||
return NULL;
|
||||
|
||||
g_snprintf (buf, bufsiz, "%s %s %s %d", font, style, weight, pt_size);
|
||||
g_free (font);
|
||||
font = pango_font_description_to_string (desc);
|
||||
pt_size = pango_font_description_get_size (desc);
|
||||
|
||||
if (!(font && *font))
|
||||
{
|
||||
pango_font_description_free (desc);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (pt_size == 0)
|
||||
{
|
||||
HDC hDC;
|
||||
HWND hwnd;
|
||||
|
||||
hwnd = GetDesktopWindow ();
|
||||
hDC = GetDC (hwnd);
|
||||
|
||||
if (hDC)
|
||||
pt_size = -MulDiv (lf.lfHeight, 72, GetDeviceCaps (hDC, LOGPIXELSY));
|
||||
else
|
||||
pt_size = 10;
|
||||
|
||||
if (hDC)
|
||||
ReleaseDC (hwnd, hDC);
|
||||
|
||||
g_snprintf (buf, bufsiz, "%s %d", font, pt_size);
|
||||
}
|
||||
else
|
||||
{
|
||||
g_snprintf (buf, bufsiz, "%s", font);
|
||||
}
|
||||
|
||||
if (desc)
|
||||
pango_font_description_free (desc);
|
||||
|
||||
return buf;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user