/* We don't support variable width fonts (yet) */
static gint get_font_width(GtkPrintContext *context, PangoFontDescription *desc)
{
PangoContext *pc;
PangoFontMetrics *metrics;
gint width;
pc = gtk_print_context_create_pango_context(context);
if (!utils_font_desc_check_monospace(pc, desc))
dialogs_show_msgbox_with_secondary(GTK_MESSAGE_WARNING,
_("The editor font is not a monospaced font!"),
_("Text will be wrongly spaced."));
metrics = pango_context_get_metrics(pc, desc, pango_context_get_language(pc));
/** TODO is this the best result we can get? */
/* digit and char width are mostly equal for monospace fonts, char width might be
* for dual width characters(e.g. Japanese) so use digit width to get sure we get the width
* for one character */
width = pango_font_metrics_get_approximate_digit_width(metrics) / PANGO_SCALE;
pango_font_metrics_unref(metrics);
g_object_unref(pc);
return width;
}
static gint
matewnck_selector_get_width (GtkWidget *widget, const char *text)
{
GtkStyle *style;
PangoContext *context;
PangoFontMetrics *metrics;
gint char_width;
PangoLayout *layout;
PangoRectangle natural;
gint max_width;
gint screen_width;
gint width;
gtk_widget_ensure_style (widget);
style = gtk_widget_get_style (widget);
context = gtk_widget_get_pango_context (widget);
metrics = pango_context_get_metrics (context, style->font_desc,
pango_context_get_language (context));
char_width = pango_font_metrics_get_approximate_char_width (metrics);
pango_font_metrics_unref (metrics);
max_width = PANGO_PIXELS (SELECTOR_MAX_WIDTH * char_width);
layout = gtk_widget_create_pango_layout (widget, text);
pango_layout_get_pixel_extents (layout, NULL, &natural);
g_object_unref (G_OBJECT (layout));
screen_width = gdk_screen_get_width (gtk_widget_get_screen (widget));
width = MIN (natural.width, max_width);
width = MIN (width, 3 * (screen_width / 4));
return width;
}
static void
tab_label_style_set_cb (GtkWidget *hbox,
GtkStyle *previous_style,
gpointer user_data)
{
PangoFontMetrics *metrics;
PangoContext *context;
GtkWidget *button;
int char_width, h, w;
context = gtk_widget_get_pango_context (hbox);
metrics = pango_context_get_metrics (context,
hbox->style->font_desc,
pango_context_get_language (context));
char_width = pango_font_metrics_get_approximate_digit_width (metrics);
pango_font_metrics_unref (metrics);
gtk_icon_size_lookup_for_settings (gtk_widget_get_settings (hbox),
GTK_ICON_SIZE_MENU, &w, &h);
gtk_widget_set_size_request
(hbox, TAB_WIDTH_N_CHARS * PANGO_PIXELS(char_width) + 2 * w, -1);
button = g_object_get_data (G_OBJECT (hbox), "close-button");
gtk_widget_set_size_request (button, w + 2, h + 2);
}
static bool
pango_load (Lisp_Font *f)
{
PangoLanguage *language;
PangoFontDescription *fontdesc;
PangoFont *font;
PangoFontMetrics *metrics;
if (pango_context)
{
language = pango_context_get_language (pango_context);
}
else
{
char *langname, *p;
#ifdef HAVE_PANGO_XFT
pango_context = pango_xft_get_context (dpy, screen_num);
#endif
langname = g_strdup (setlocale (LC_CTYPE, NULL));
p = strchr (langname, '.');
if (p)
*p = 0;
p = strchr (langname, '@');
if (p)
*p = 0;
language = pango_language_from_string (langname);
pango_context_set_language (pango_context, language);
g_free (langname);
}
fontdesc = pango_font_description_from_string (rep_STR (f->name));
if (!pango_font_description_get_family (fontdesc))
pango_font_description_set_family (fontdesc, "Sans");
if (pango_font_description_get_size (fontdesc) <= 0)
pango_font_description_set_size (fontdesc, 12 * PANGO_SCALE);
pango_context_set_font_description (pango_context, fontdesc);
font = pango_context_load_font (pango_context, fontdesc);
if (!font) {
pango_font_description_free(fontdesc);
return FALSE;
}
metrics = pango_font_get_metrics (font, language);
f->ascent = metrics->ascent / PANGO_SCALE;
f->descent = metrics->descent / PANGO_SCALE;
pango_font_metrics_unref (metrics);
f->font = fontdesc; /* We save the font description, not the font itself!
That's because it seems we can't recover it perfectly
later, and the layout routines want a description */
return TRUE;
}
/*
* frame_update_titlebar_font
*
* Returns: void
* Description: updates the titlebar font from the pango context, should
* be called whenever the gtk style or font has changed
*/
void
frame_update_titlebar_font (decor_frame_t *frame)
{
const PangoFontDescription *font_desc;
PangoFontMetrics *metrics;
PangoLanguage *lang;
frame = gwd_decor_frame_ref (frame);
font_desc = get_titlebar_font (frame);
if (!font_desc)
{
GtkStyle *default_style;
default_style = gtk_widget_get_default_style ();
font_desc = default_style->font_desc;
}
pango_context_set_font_description (frame->pango_context, font_desc);
lang = pango_context_get_language (frame->pango_context);
metrics = pango_context_get_metrics (frame->pango_context, font_desc, lang);
frame->text_height = PANGO_PIXELS (pango_font_metrics_get_ascent (metrics) +
pango_font_metrics_get_descent (metrics));
gwd_decor_frame_unref (frame);
pango_font_metrics_unref (metrics);
}
static PangoFontMetrics *
create_metrics_for_context (PangoFont *font,
PangoContext *context)
{
PangoCairoWin32Font *cwfont = PANGO_CAIRO_WIN32_FONT (font);
PangoFontMetrics *metrics;
PangoFontDescription *font_desc;
PangoLayout *layout;
PangoRectangle extents;
PangoLanguage *language = pango_context_get_language (context);
const char *sample_str = pango_language_get_sample_string (language);
cairo_scaled_font_t *scaled_font;
cairo_font_extents_t font_extents;
double height;
metrics = pango_font_metrics_new ();
scaled_font = pango_cairo_win32_font_get_scaled_font (PANGO_CAIRO_FONT (cwfont));
cairo_scaled_font_extents (scaled_font, &font_extents);
cairo_win32_scaled_font_done_font (scaled_font);
metrics->ascent = font_extents.ascent * PANGO_SCALE;
metrics->descent = font_extents.descent * PANGO_SCALE;
/* FIXME: Should get the real settings for these from the TrueType
* font file.
*/
height = metrics->ascent + metrics->descent;
metrics->underline_thickness = height / 14;
metrics->underline_position = - metrics->underline_thickness;
metrics->strikethrough_thickness = metrics->underline_thickness;
metrics->strikethrough_position = height / 4;
pango_quantize_line_geometry (&metrics->underline_thickness,
&metrics->underline_position);
pango_quantize_line_geometry (&metrics->strikethrough_thickness,
&metrics->strikethrough_position);
layout = pango_layout_new (context);
font_desc = pango_font_describe_with_absolute_size (font);
pango_layout_set_font_description (layout, font_desc);
pango_layout_set_text (layout, sample_str, -1);
pango_layout_get_extents (layout, NULL, &extents);
metrics->approximate_char_width = extents.width / g_utf8_strlen (sample_str, -1);
pango_layout_set_text (layout, "0123456789", -1);
metrics->approximate_digit_width = max_glyph_width (layout);
pango_font_description_free (font_desc);
g_object_unref (layout);
return metrics;
}
int
draw_get_listview_rowheight (drawctx_t *ctx) {
PangoFontDescription *font_desc = ctx->font_style->font_desc;
PangoFontMetrics *metrics = pango_context_get_metrics (ctx->pangoctx,
font_desc,
pango_context_get_language (ctx->pangoctx));
int row_height = (pango_font_metrics_get_ascent (metrics) +
pango_font_metrics_get_descent (metrics));
pango_font_metrics_unref (metrics);
return PANGO_PIXELS(row_height)+6;
}
static void
dma_data_view_data_size_request (DmaDataView *view,
GtkRequisition *requisition)
{
PangoFontMetrics *metrics;
PangoContext *context;
context = gtk_widget_get_pango_context (view->data);
metrics = pango_context_get_metrics (context,
gtk_widget_get_style (view->data)->font_desc,
pango_context_get_language (context));
requisition->height = PANGO_PIXELS (pango_font_metrics_get_ascent (metrics) +
pango_font_metrics_get_descent (metrics));
requisition->width = (pango_font_metrics_get_approximate_char_width (metrics) + PANGO_SCALE - 1) / PANGO_SCALE;
pango_font_metrics_unref (metrics);
}
/*
* frame_update_titlebar_font
*
* Returns: void
* Description: updates the titlebar font from the pango context, should
* be called whenever the gtk style or font has changed
*/
void
frame_update_titlebar_font (decor_frame_t *frame)
{
const PangoFontDescription *font_desc;
PangoFontDescription *free_font_desc;
PangoFontMetrics *metrics;
PangoLanguage *lang;
free_font_desc = NULL;
frame = gwd_decor_frame_ref (frame);
font_desc = get_titlebar_font (frame);
if (!font_desc)
{
GtkCssProvider *provider = gtk_css_provider_get_default ();
GtkStyleContext *context = gtk_style_context_new ();
GtkWidgetPath *path = gtk_widget_path_new ();
gtk_widget_path_prepend_type (path, GTK_TYPE_WIDGET);
gtk_style_context_set_path (context, path);
gtk_widget_path_free (path);
gtk_style_context_add_provider (context, GTK_STYLE_PROVIDER (provider), GTK_STYLE_PROVIDER_PRIORITY_FALLBACK);
gtk_style_context_get (context, GTK_STATE_FLAG_NORMAL, "font", &free_font_desc, NULL);
font_desc = (const PangoFontDescription *) free_font_desc;
}
pango_context_set_font_description (frame->pango_context, font_desc);
lang = pango_context_get_language (frame->pango_context);
metrics = pango_context_get_metrics (frame->pango_context, font_desc, lang);
frame->text_height = PANGO_PIXELS (pango_font_metrics_get_ascent (metrics) +
pango_font_metrics_get_descent (metrics));
gwd_decor_frame_unref (frame);
pango_font_metrics_unref (metrics);
if (free_font_desc)
pango_font_description_free (free_font_desc);
}
static PangoFontMetrics *
pango_cairo_core_text_font_create_base_metrics_for_context (PangoCairoFont *font,
PangoContext *context)
{
PangoCoreTextFont *cfont = (PangoCoreTextFont *) font;
PangoFontMetrics *metrics;
PangoFontDescription *font_desc;
PangoLayout *layout;
PangoRectangle extents;
PangoLanguage *language = pango_context_get_language (context);
const char *sample_str = pango_language_get_sample_string (language);
CTFontRef ctfont;
metrics = pango_font_metrics_new ();
ctfont = pango_core_text_font_get_ctfont (cfont);
metrics->ascent = CTFontGetAscent (ctfont) * PANGO_SCALE;
metrics->descent = CTFontGetDescent (ctfont) * PANGO_SCALE;
metrics->underline_position = CTFontGetUnderlinePosition (ctfont) * PANGO_SCALE;
metrics->underline_thickness = CTFontGetUnderlineThickness (ctfont) * PANGO_SCALE;
metrics->strikethrough_position = metrics->ascent / 3;
metrics->strikethrough_thickness = CTFontGetUnderlineThickness (ctfont) * PANGO_SCALE;
layout = pango_layout_new (context);
font_desc = pango_font_describe_with_absolute_size ((PangoFont *) font);
pango_layout_set_font_description (layout, font_desc);
pango_layout_set_text (layout, sample_str, -1);
pango_layout_get_extents (layout, NULL, &extents);
metrics->approximate_char_width = extents.width / pango_utf8_strwidth (sample_str);
pango_layout_set_text (layout, "0123456789", -1);
metrics->approximate_digit_width = max_glyph_width (layout);
pango_font_description_free (font_desc);
g_object_unref (layout);
return metrics;
}
void gglk_text_init_tags(GglkText *tb)
{
PangoContext *context;
PangoFontMetrics *metrics;
PangoFontDescription *font_desc = NULL;
GtkTextTag *tag;
tb->buffer = gtk_text_view_get_buffer(&tb->view);
gtk_text_buffer_get_end_iter(tb->buffer, &tb->iter);
tb->startedit=gtk_text_buffer_create_mark(tb->buffer,NULL,&tb->iter,TRUE);
tb->endedit =gtk_text_buffer_create_mark(tb->buffer,NULL,&tb->iter,FALSE);
tb->scrollmark=gtk_text_buffer_create_mark(tb->buffer,NULL,&tb->iter,TRUE);
tb->endmark =gtk_text_buffer_create_mark(tb->buffer,NULL,&tb->iter,FALSE);
tb->hypermark=gtk_text_buffer_create_mark(tb->buffer,NULL,&tb->iter,TRUE);
tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(tb->buffer),
"Normal");
if(!tag) return;
gglk_text_set_style(tb, tag);
/* Measure default font size */
g_object_get(G_OBJECT(tag), "font-desc", &font_desc, NULL);
font_desc = pango_font_description_copy(font_desc);
pango_font_description_merge(font_desc,
GTK_WIDGET(tb)->style->font_desc,FALSE);
context = gtk_widget_get_pango_context(GTK_WIDGET(tb));
metrics = pango_context_get_metrics(context,
font_desc,
pango_context_get_language(context));
pango_font_description_free(font_desc);
tb->xunits = PANGO_PIXELS(pango_font_metrics_get_approximate_digit_width(
metrics));
tb->yunits = PANGO_PIXELS(pango_font_metrics_get_ascent(metrics) +
pango_font_metrics_get_descent(metrics));
pango_font_metrics_unref(metrics);
}
static void
get_widget_char_size (GtkWidget *widget, gint *width, gint *height)
{
PangoFontMetrics *metrics;
PangoContext *context;
PangoFontDescription *font_desc;
font_desc = pango_font_description_from_string ("Monospace 10");
context = gtk_widget_get_pango_context (widget);
metrics = pango_context_get_metrics (context,
/*widget->style->font_desc,*/
font_desc,
pango_context_get_language (context));
*height = PANGO_PIXELS (pango_font_metrics_get_ascent (metrics) +
pango_font_metrics_get_descent (metrics));
*width = (pango_font_metrics_get_approximate_char_width (metrics) + PANGO_SCALE - 1) / PANGO_SCALE;
pango_font_metrics_unref (metrics);
pango_font_description_free (font_desc);
}
static void cdgetfontdim(cdCtxCanvas *ctxcanvas, int *max_width, int *height, int *ascent, int *descent)
{
PangoFontMetrics* metrics;
int charwidth, charheight, charascent, chardescent;
if(!ctxcanvas->fontdesc)
return;
metrics = pango_context_get_metrics(ctxcanvas->fontcontext, ctxcanvas->fontdesc, pango_context_get_language(ctxcanvas->fontcontext));
charascent = pango_font_metrics_get_ascent(metrics);
chardescent = pango_font_metrics_get_descent(metrics);
charheight = charascent + chardescent;
charwidth = pango_font_metrics_get_approximate_char_width(metrics);
if (max_width) *max_width = (((charwidth) + PANGO_SCALE/2) / PANGO_SCALE);
if (height) *height = (((charheight) + PANGO_SCALE/2) / PANGO_SCALE);
if (ascent) *ascent = (((charascent) + PANGO_SCALE/2) / PANGO_SCALE);
if (descent) *descent = (((chardescent) + PANGO_SCALE/2) / PANGO_SCALE);
pango_font_metrics_unref(metrics);
}
static int
get_font_height_for_widget (GtkWidget *widget)
{
PangoFontMetrics *metrics;
PangoContext *context;
int ascent;
int descent;
int height;
gtk_widget_ensure_style (widget);
context = gtk_widget_get_pango_context (widget);
metrics = pango_context_get_metrics (context,
widget->style->font_desc,
pango_context_get_language (context));
ascent = pango_font_metrics_get_ascent (metrics);
descent = pango_font_metrics_get_descent (metrics);
height = PANGO_PIXELS (ascent + descent);
pango_font_metrics_unref (metrics);
return height;
}
TGlyphCache *glyph_cache_new(GtkWidget *widget,
PangoFontDescription *font_desc)
{
TGlyphCache *cache;
cache = g_new(TGlyphCache, 1);
memset(cache, 0, sizeof(*cache));
cache->context = gtk_widget_create_pango_context(widget);
cache->lang = pango_context_get_language(cache->context);
cache->display = gtk_widget_get_display(widget);
g_object_ref (cache->display);
cache->screen = gtk_widget_get_screen(widget);
g_object_ref (cache->screen);
if (font_desc)
glyph_cache_set_font(cache, font_desc);
return cache;
}
static gint
wnck_selector_get_width (GtkWidget *widget, const char *text)
{
GtkStyleContext *style_context;
GtkStateFlags state;
PangoContext *context;
PangoFontMetrics *metrics;
PangoFontDescription *description;
gint char_width;
PangoLayout *layout;
PangoRectangle natural;
gint max_width;
gint screen_width;
gint width;
state = gtk_widget_get_state_flags (widget);
style_context = gtk_widget_get_style_context (widget);
gtk_style_context_get (style_context, state, GTK_STYLE_PROPERTY_FONT, &description, NULL);
context = gtk_widget_get_pango_context (widget);
metrics = pango_context_get_metrics (context, description,
pango_context_get_language (context));
char_width = pango_font_metrics_get_approximate_char_width (metrics);
pango_font_metrics_unref (metrics);
max_width = PANGO_PIXELS (SELECTOR_MAX_WIDTH * char_width);
layout = gtk_widget_create_pango_layout (widget, text);
pango_layout_get_pixel_extents (layout, NULL, &natural);
g_object_unref (G_OBJECT (layout));
screen_width = gdk_screen_get_width (gtk_widget_get_screen (widget));
width = MIN (natural.width, max_width);
width = MIN (width, 3 * (screen_width / 4));
return width;
}
static void
bytes_view_ensure_layout(BytesView *bv)
{
if (bv->context == NULL) {
bv->context = gtk_widget_get_pango_context(GTK_WIDGET(bv));
g_object_ref(bv->context);
{
PangoLanguage *lang;
PangoFontMetrics *metrics;
/* vte and xchat does it this way */
lang = pango_context_get_language(bv->context);
metrics = pango_context_get_metrics(bv->context, bv->font, lang);
bv->font_ascent = pango_font_metrics_get_ascent(metrics) / PANGO_SCALE;
bv->font_descent = pango_font_metrics_get_descent(metrics) / PANGO_SCALE;
pango_font_metrics_unref(metrics);
bv->fontsize = bv->font_ascent + bv->font_descent;
}
g_assert(bv->context);
bytes_view_adjustment_set(bv);
}
}
static IgtkFont* gtkFindFont(const char *standardfont)
{
PangoFontMetrics* metrics;
PangoFontDescription* fontdesc;
int i,
is_underline = 0,
is_strikeout = 0,
count = iupArrayCount(gtk_fonts);
IgtkFont* fonts = (IgtkFont*)iupArrayGetData(gtk_fonts);
/* Check if the standardfont already exists in cache */
for (i = 0; i < count; i++)
{
if (iupStrEqualNoCase(standardfont, fonts[i].standardfont))
return &fonts[i];
}
/* not found, create a new one */
{
int size;
int is_bold = 0,
is_italic = 0;
char typeface[1024];
char *new_standardfont = NULL;
const char* mapped_name;
if (!iupFontParsePango(standardfont, typeface, &size, &is_bold, &is_italic, &is_underline, &is_strikeout))
return NULL;
mapped_name = iupFontGetPangoName(typeface);
if (mapped_name)
strcpy(typeface, mapped_name);
if (is_underline || is_strikeout || size<0)
new_standardfont = iupStrDup(standardfont);
if (is_underline)
{
char* under = strstr(standardfont, "Underline");
int len = strlen(standardfont);
int len1 = (size_t)(under-standardfont);
memcpy(new_standardfont, standardfont, len1);
memcpy(new_standardfont+len1, under+9+1, len-len1-9+1); /* strlen("Underline") */
standardfont = new_standardfont;
}
if (is_strikeout)
{
char* strike = strstr(standardfont, "Strikeout");
int len = strlen(standardfont);
int len1 = (size_t)(strike-standardfont);
memcpy(new_standardfont, standardfont, len1);
memcpy(new_standardfont+len1, strike+9+1, len-len1-9+1); /* strlen("Strikeout") */
standardfont = new_standardfont;
}
if (size<0)
{
double res;
int len1, len2;
char *sz, size_str[10];
sprintf(size_str, "%d", size);
sz = strstr(standardfont, size_str);
len1 = (size_t)(sz-standardfont);
res = ((double)gdk_screen_get_width(gdk_screen_get_default()) / (double)gdk_screen_get_width_mm(gdk_screen_get_default())); /* pixels/mm */
/* 1 point = 1/72 inch 1 inch = 25.4 mm */
/* pixel = ((point/72)*25.4)*pixel/mm */
size = (int)((-size/res)*2.83464567 + 0.5); /* from pixels to points */
len2 = sprintf(size_str, "%d", size);
memcpy(new_standardfont, standardfont, len1);
memcpy(new_standardfont+len1, size_str, len2+1);
}
fontdesc = pango_font_description_from_string(standardfont);
if (new_standardfont) free(new_standardfont);
}
if (!fontdesc)
return NULL;
/* create room in the array */
fonts = (IgtkFont*)iupArrayInc(gtk_fonts);
strcpy(fonts[i].standardfont, standardfont);
fonts[i].fontdesc = fontdesc;
fonts[i].strikethrough = pango_attr_strikethrough_new(is_strikeout? TRUE: FALSE);
fonts[i].underline = pango_attr_underline_new(is_underline? PANGO_UNDERLINE_SINGLE: PANGO_UNDERLINE_NONE);
fonts[i].layout = pango_layout_new(gtk_fonts_context);
metrics = pango_context_get_metrics(gtk_fonts_context, fontdesc, pango_context_get_language(gtk_fonts_context));
fonts[i].charheight = pango_font_metrics_get_ascent(metrics) + pango_font_metrics_get_descent(metrics);
fonts[i].charheight = IUPGTK_PANGOUNITS2PIXELS(fonts[i].charheight);
fonts[i].charwidth = pango_font_metrics_get_approximate_char_width(metrics);
fonts[i].charwidth = IUPGTK_PANGOUNITS2PIXELS(fonts[i].charwidth);
pango_font_metrics_unref(metrics);
gtkFontUpdate(&(fonts[i]));
return &fonts[i];
}
static void
thunar_text_renderer_set_widget (ThunarTextRenderer *text_renderer,
GtkWidget *widget)
{
PangoFontMetrics *metrics;
PangoContext *context;
gint focus_padding;
gint focus_line_width;
if (G_LIKELY (widget == text_renderer->widget))
return;
/* disconnect from the previously set widget */
if (G_UNLIKELY (text_renderer->widget != NULL))
{
g_signal_handlers_disconnect_by_func (G_OBJECT (text_renderer->widget), thunar_text_renderer_invalidate, text_renderer);
g_object_unref (G_OBJECT (text_renderer->layout));
g_object_unref (G_OBJECT (text_renderer->widget));
}
/* activate the new widget */
text_renderer->widget = widget;
/* connect to the new widget */
if (G_LIKELY (widget != NULL))
{
/* take a reference on the widget */
g_object_ref (G_OBJECT (widget));
/* we need to recalculate the metrics when a new style (and thereby a new font) is set */
g_signal_connect_swapped (G_OBJECT (text_renderer->widget), "destroy", G_CALLBACK (thunar_text_renderer_invalidate), text_renderer);
g_signal_connect_swapped (G_OBJECT (text_renderer->widget), "style-set", G_CALLBACK (thunar_text_renderer_invalidate), text_renderer);
/* allocate a new pango layout for this widget */
context = gtk_widget_get_pango_context (widget);
text_renderer->layout = pango_layout_new (context);
/* disable automatic text direction, but use the direction specified by Gtk+ */
pango_layout_set_auto_dir (text_renderer->layout, FALSE);
/* we don't want to interpret line separators in file names */
pango_layout_set_single_paragraph_mode (text_renderer->layout, TRUE);
/* calculate the average character dimensions */
metrics = pango_context_get_metrics (context, widget->style->font_desc, pango_context_get_language (context));
text_renderer->char_width = PANGO_PIXELS (pango_font_metrics_get_approximate_char_width (metrics));
text_renderer->char_height = PANGO_PIXELS (pango_font_metrics_get_ascent (metrics) + pango_font_metrics_get_descent (metrics));
pango_font_metrics_unref (metrics);
/* tell the cell renderer about the fixed height if we're not wrapping text */
if (G_LIKELY (text_renderer->wrap_width < 0))
gtk_cell_renderer_set_fixed_size (GTK_CELL_RENDERER (text_renderer), -1, text_renderer->char_height);
/* determine the focus-padding and focus-line-width style properties from the widget */
gtk_widget_style_get (widget, "focus-padding", &focus_padding, "focus-line-width", &focus_line_width, NULL);
text_renderer->focus_width = focus_padding + focus_line_width;
}
else
{
text_renderer->layout = NULL;
text_renderer->char_width = 0;
text_renderer->char_height = 0;
}
}
static void
gtk_plot_gdk_draw_string (GtkPlotPC *pc,
gint tx, gint ty,
gint angle,
const GdkColor *fg,
const GdkColor *bg,
gboolean transparent,
gint border,
gint border_space,
gint border_width,
gint shadow_width,
const gchar *font_name,
gint font_height,
GtkJustification just,
const gchar *text)
{
GdkGC *gc;
GList *family = NULL;
gint x0, y0;
gint old_width, old_height;
gboolean bold, italic;
gint fontsize;
gint ascent, descent;
gint numf;
gint width, height;
gint x, y;
gint i;
PangoFontDescription *font = NULL, *latin_font = NULL;
GtkPSFont *psfont, *base_psfont, *latin_psfont;
gchar subs[2], insert_char;
const gchar *aux = text;
const gchar *lastchar = text;
const gchar *wtext = text;
const gchar *xaux = text;
gchar new_text[strlen(text)+1];
gchar num[4];
PangoRectangle rect;
PangoFontMetrics *metrics = NULL;
PangoLayout *layout = NULL;
gint real_x, real_y, real_width, real_height;
GdkColor real_fg = *fg;
GdkColor real_bg = *bg;
PangoMatrix matrix = PANGO_MATRIX_INIT;
PangoContext *context = GTK_PLOT_GDK(pc)->context;
GdkDrawable *drawable = GTK_PLOT_GDK(pc)->drawable;
gint sign_x = 1, sign_y = 0;
if(!GTK_PLOT_GDK(pc)->drawable) return;
if(!GTK_PLOT_GDK(pc)->gc) return;
if(!text || strlen(text) == 0) return;
gc = GTK_PLOT_GDK(pc)->gc;
layout = GTK_PLOT_GDK(pc)->layout;
if(!gc) return;
gtk_plot_text_get_size(text, angle, font_name, font_height, &width, &height, &ascent, &descent);
if(height == 0 || width == 0) return;
old_width = width;
old_height = height;
if(angle == 90 || angle == 270)
{
old_width = height;
old_height = width;
}
switch(angle){
case 90:
sign_x = 0;
sign_y = -1;
break;
case 180:
sign_x = -1;
sign_y = 0;
break;
case 270:
sign_x = 0;
sign_y = 1;
break;
case 0:
default:
sign_x = 1;
sign_y = 0;
break;
}
switch(just){
case GTK_JUSTIFY_LEFT:
switch(angle){
case 0:
ty -= ascent;
break;
case 90:
ty -= height;
tx -= ascent;
break;
case 180:
tx -= width;
ty -= descent;
break;
case 270:
tx -= descent;
break;
}
break;
case GTK_JUSTIFY_RIGHT:
switch(angle){
case 0:
tx -= width;
ty -= ascent;
break;
case 90:
tx -= ascent;
ty += height;
break;
case 180:
tx += width;
ty -= descent;
break;
case 270:
tx -= descent;
break;
}
break;
case GTK_JUSTIFY_CENTER:
default:
switch(angle){
case 0:
tx -= width / 2.;
ty -= ascent;
break;
case 90:
tx -= ascent;
ty += height / 2.;
break;
case 180:
tx += width / 2.;
ty -= descent;
break;
case 270:
tx -= descent;
ty -= height / 2.;
break;
}
}
real_x = tx;
real_y = ty;
real_width = width;
real_height = height;
pango_matrix_rotate (&matrix, angle);
pango_context_set_matrix (context, &matrix);
pango_layout_context_changed (layout);
if(!transparent){
gdk_gc_set_foreground(gc, &real_bg);
gdk_draw_rectangle(drawable, gc, TRUE, tx, ty, old_width, old_height);
}
/* TEST */
/*
gdk_draw_rectangle(text_pixmap, gc, FALSE, 0, 0, old_width-1, old_height-1);
*/
gtk_psfont_get_families(&family, &numf);
base_psfont = psfont = gtk_psfont_get_by_name(font_name);
font = gtk_psfont_get_font_description(psfont, font_height);
italic = psfont->italic;
bold = psfont->bold;
fontsize = font_height;
x0 = x = 0;
y0 = y = 0;
if (psfont->i18n_latinfamily) {
latin_psfont = gtk_psfont_get_by_family(psfont->i18n_latinfamily, italic,
bold);
if(latin_font) pango_font_description_free(latin_font);
latin_font = gtk_psfont_get_font_description(latin_psfont, fontsize);
} else {
latin_psfont = NULL;
latin_font = NULL;
}
gdk_gc_set_foreground(gc, &real_fg);
aux = text;
while(aux && *aux != '\0' && *aux != '\n'){
if(*aux == '\\'){
aux = g_utf8_next_char(aux);
switch(*aux){
case '0': case '1': case '2': case '3':
case '4': case '5': case '6': case '7': case '9':
psfont = gtk_psfont_get_by_family((gchar *)g_list_nth_data(family, *aux-'0'), italic, bold);
pango_font_description_free(font);
font = gtk_psfont_get_font_description(psfont, fontsize);
aux = g_utf8_next_char(aux);
break;
case '8': case 'g':
psfont = gtk_psfont_get_by_family("Symbol", italic, bold);
pango_font_description_free(font);
font = gtk_psfont_get_font_description(psfont, fontsize);
aux = g_utf8_next_char(aux);
break;
case 'B':
bold = TRUE;
psfont = gtk_psfont_get_by_family(psfont->family, italic, bold);
pango_font_description_free(font);
font = gtk_psfont_get_font_description(psfont, fontsize);
if(latin_font){
latin_font = NULL;
}
if (psfont->i18n_latinfamily) {
latin_psfont = gtk_psfont_get_by_family(psfont->i18n_latinfamily,
italic, bold);
if(latin_font) pango_font_description_free(latin_font);
latin_font = gtk_psfont_get_font_description(latin_psfont, fontsize);
}
aux = g_utf8_next_char(aux);
break;
case 'x':
xaux = aux + 1;
for (i=0; i<3; i++){
if (xaux[i] >= '0' && xaux[i] <= '9')
num[i] = xaux[i];
else
break;
}
if (i < 3){
aux = g_utf8_next_char(aux);
break;
}
num[3] = '\0';
insert_char = (gchar)atoi(num);
subs[0] = insert_char;
subs[1] = '\0';
pango_layout_set_font_description(layout, font);
pango_layout_set_text(layout, subs, 1);
pango_layout_get_extents(layout, NULL, &rect);
x += sign_x*PANGO_PIXELS(rect.width);
y += sign_y*PANGO_PIXELS(rect.width);
aux += 4;
lastchar = aux - 1;
break;
case 'i':
italic = TRUE;
psfont = gtk_psfont_get_by_family(psfont->family, italic, bold);
pango_font_description_free(font);
font = gtk_psfont_get_font_description(psfont, fontsize);
if (psfont->i18n_latinfamily) {
latin_psfont = gtk_psfont_get_by_family(psfont->i18n_latinfamily,
italic, bold);
if(latin_font) pango_font_description_free(latin_font);
latin_font = gtk_psfont_get_font_description(latin_psfont, fontsize);
}
aux = g_utf8_next_char(aux);
break;
case 'S': case '^':
fontsize = (int)((gdouble)fontsize * 0.6 + 0.5);
pango_font_description_free(font);
font = gtk_psfont_get_font_description(psfont, fontsize);
if(metrics) pango_font_metrics_unref(metrics);
metrics = pango_context_get_metrics(pango_layout_get_context(layout), font, pango_context_get_language(pango_layout_get_context(layout)));
if (psfont->i18n_latinfamily) {
latin_font = gtk_psfont_get_font_description(latin_psfont, fontsize);
}
if(angle == 180)
y = y0 + fontsize;
else if(angle == 270)
x = x0 + sign_y*fontsize;
aux = g_utf8_next_char(aux);
break;
case 's': case '_':
fontsize = (int)((gdouble)fontsize * 0.6 + 0.5);
pango_font_description_free(font);
font = gtk_psfont_get_font_description(psfont, fontsize);
if(metrics) pango_font_metrics_unref(metrics);
metrics = pango_context_get_metrics(pango_layout_get_context(layout), font, pango_context_get_language(pango_layout_get_context(layout)));
if(angle == 0)
y = y0 + fontsize;
else if(angle == 90)
x = x0 - sign_y*fontsize;
if (psfont->i18n_latinfamily) {
latin_font = gtk_psfont_get_font_description(latin_psfont, fontsize);
}
aux = g_utf8_next_char(aux);
break;
case '+':
fontsize += 3;
y -= sign_x*3;
x += sign_y*3;
pango_font_description_free(font);
font = gtk_psfont_get_font_description(psfont, fontsize);
if (psfont->i18n_latinfamily) {
latin_font = gtk_psfont_get_font_description(latin_psfont, fontsize);
}
aux = g_utf8_next_char(aux);
break;
case '-':
fontsize -= 3;
y += sign_x*3;
x -= sign_y*3;
pango_font_description_free(font);
font = gtk_psfont_get_font_description(psfont, fontsize);
if (psfont->i18n_latinfamily) {
latin_font = gtk_psfont_get_font_description(latin_psfont, fontsize);
}
aux = g_utf8_next_char(aux);
break;
case 'N':
psfont = base_psfont;
fontsize = font_height;
pango_font_description_free(font);
font = gtk_psfont_get_font_description(psfont, fontsize);
if(angle == 0 || angle == 180)
y = y0;
else
x = x0;
italic = psfont->italic;
bold = psfont->bold;
aux = g_utf8_next_char(aux);
break;
case 'b':
if (lastchar) {
const gchar *aux2 = lastchar;
gint i = g_utf8_prev_char(lastchar) != --aux2 ? 2 : 1;
pango_layout_set_text(layout, lastchar, i);
pango_layout_get_extents(layout, NULL, &rect);
x -= sign_x*PANGO_PIXELS(rect.width);
y -= sign_y*PANGO_PIXELS(rect.width);
if (lastchar == wtext)
lastchar = NULL;
else
lastchar = g_utf8_prev_char(lastchar);
} else {
pango_layout_set_text(layout, "X", 1);
pango_layout_get_extents(layout, NULL, &rect);
x -= sign_x*PANGO_PIXELS(rect.width);
y -= sign_y*PANGO_PIXELS(rect.width);
}
aux = g_utf8_next_char(aux);
break;
default:
if(aux && *aux != '\0' && *aux !='\n'){
gint new_width = 0;
new_width = drawstring(pc, drawable, gc, angle, tx+x, ty+y,
psfont, fontsize, aux);
x += sign_x * new_width;
y += sign_y * new_width;
lastchar = aux;
aux = g_utf8_next_char(aux);
}
break;
}
} else {
gint new_len = 0;
gint new_width = 0;
lastchar = aux;
while(aux && *aux != '\0' && *aux !='\n' && *aux != '\\'){
xaux = aux;
new_len += g_utf8_next_char(aux) != ++xaux ? 2 : 1;
aux = g_utf8_next_char(aux);
}
xaux = lastchar;
for(i = 0; i < new_len; i++) new_text[i] = *xaux++;
new_text[new_len] = '\0';
new_width = drawstring(pc, drawable, gc, angle, tx+x, ty+y,
psfont, fontsize, new_text);
x += sign_x * new_width;
y += sign_y * new_width;
lastchar = aux;
}
}
pango_font_description_free(font);
if(latin_font) pango_font_description_free(latin_font);
if(metrics) pango_font_metrics_unref(metrics);
/* border */
gdk_gc_set_foreground(gc, &real_fg);
gtk_plot_pc_set_dash(pc, 0, NULL, 0);
gtk_plot_pc_set_lineattr(pc, border_width, 0, 0, 0);
switch(border){
case GTK_PLOT_BORDER_SHADOW:
gtk_plot_pc_draw_rectangle(pc,
TRUE,
tx - border_space + shadow_width,
ty + height + border_space,
width + 2 * border_space, shadow_width);
gtk_plot_pc_draw_rectangle(pc,
TRUE,
tx + width + border_space,
ty - border_space + shadow_width,
shadow_width, height + 2 * border_space);
case GTK_PLOT_BORDER_LINE:
gtk_plot_pc_draw_rectangle(pc,
FALSE,
tx - border_space, ty - border_space,
width + 2*border_space, height + 2*border_space);
case GTK_PLOT_BORDER_NONE:
default:
break;
}
return;
}
/**
* gail_misc_get_default_attributes:
* @attrib_set: The #AtkAttributeSet to add the attribute to
* @layout: The PangoLayout from which the attributes will be obtained
* @widget: The GtkWidget for which the default attributes are required.
*
* Adds the default attributes to the specified attribute set.
*
* Returns: A pointer to the #AtkAttributeSet.
**/
AtkAttributeSet*
gail_misc_get_default_attributes (AtkAttributeSet *attrib_set,
PangoLayout *layout,
GtkWidget *widget)
{
PangoContext *context;
GtkStyleContext *style_context;
gint int_value;
PangoWrapMode mode;
GdkRGBA color;
gchar *value;
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_DIRECTION,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_DIRECTION,
gtk_widget_get_direction (widget))));
context = pango_layout_get_context (layout);
if (context)
{
PangoLanguage* language;
PangoFontDescription* font;
language = pango_context_get_language (context);
if (language)
{
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_LANGUAGE,
g_strdup (pango_language_to_string (language)));
}
font = pango_context_get_font_description (context);
if (font)
{
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_STYLE,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_STYLE,
pango_font_description_get_style (font))));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_VARIANT,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_VARIANT,
pango_font_description_get_variant (font))));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_STRETCH,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_STRETCH,
pango_font_description_get_stretch (font))));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_FAMILY_NAME,
g_strdup (pango_font_description_get_family (font)));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_WEIGHT,
g_strdup_printf ("%d",
pango_font_description_get_weight (font)));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_SIZE,
g_strdup_printf ("%i",
pango_font_description_get_size (font) / PANGO_SCALE));
}
}
if (pango_layout_get_justify (layout))
{
int_value = 3;
}
else
{
PangoAlignment align;
align = pango_layout_get_alignment (layout);
if (align == PANGO_ALIGN_LEFT)
int_value = 0;
else if (align == PANGO_ALIGN_CENTER)
int_value = 2;
else /* if (align == PANGO_ALIGN_RIGHT) */
int_value = 1;
}
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_JUSTIFICATION,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_JUSTIFICATION,
int_value)));
mode = pango_layout_get_wrap (layout);
if (mode == PANGO_WRAP_WORD)
int_value = 2;
else /* if (mode == PANGO_WRAP_CHAR) */
int_value = 1;
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_WRAP_MODE,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_WRAP_MODE,
int_value)));
style_context = gtk_widget_get_style_context (widget);
gtk_style_context_get_background_color (style_context, 0, &color);
value = g_strdup_printf ("%u,%u,%u",
(guint) ceil (color.red * 65536 - color.red),
(guint) ceil (color.green * 65536 - color.green),
(guint) ceil (color.blue * 65536 - color.blue));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_BG_COLOR,
value);
gtk_style_context_get_color (style_context, 0, &color);
value = g_strdup_printf ("%u,%u,%u",
(guint) ceil (color.red * 65536 - color.red),
(guint) ceil (color.green * 65536 - color.green),
(guint) ceil (color.blue * 65536 - color.blue));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_FG_COLOR,
value);
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_FG_STIPPLE,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_FG_STIPPLE,
0)));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_BG_STIPPLE,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_BG_STIPPLE,
0)));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_STRIKETHROUGH,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_STRIKETHROUGH,
0)));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_UNDERLINE,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_UNDERLINE,
0)));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_RISE,
g_strdup_printf ("%i", 0));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_SCALE,
g_strdup_printf ("%g", 1.0));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_BG_FULL_HEIGHT,
g_strdup_printf ("%i", 0));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_PIXELS_INSIDE_WRAP,
g_strdup_printf ("%i", 0));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_PIXELS_BELOW_LINES,
g_strdup_printf ("%i", 0));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_PIXELS_ABOVE_LINES,
g_strdup_printf ("%i", 0));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_EDITABLE,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_EDITABLE,
0)));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_INVISIBLE,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_INVISIBLE,
0)));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_INDENT,
g_strdup_printf ("%i", 0));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_RIGHT_MARGIN,
g_strdup_printf ("%i", 0));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_LEFT_MARGIN,
g_strdup_printf ("%i", 0));
return attrib_set;
}
static void cdtext(cdCtxCanvas *ctxcanvas, int x, int y, const char *s, int len)
{
PangoFontMetrics* metrics;
int w, h, desc, dir = -1;
int ox = x, oy = y;
pango_layout_set_text(ctxcanvas->fontlayout, sStrConvertToUTF8(ctxcanvas, s, len), -1);
pango_layout_get_pixel_size(ctxcanvas->fontlayout, &w, &h);
metrics = pango_context_get_metrics(ctxcanvas->fontcontext, ctxcanvas->fontdesc, pango_context_get_language(ctxcanvas->fontcontext));
desc = (((pango_font_metrics_get_descent(metrics)) + PANGO_SCALE/2) / PANGO_SCALE);
switch (ctxcanvas->canvas->text_alignment)
{
case CD_BASE_RIGHT:
case CD_NORTH_EAST:
case CD_EAST:
case CD_SOUTH_EAST:
x = x - w;
break;
case CD_BASE_CENTER:
case CD_CENTER:
case CD_NORTH:
case CD_SOUTH:
x = x - w/2;
break;
case CD_BASE_LEFT:
case CD_NORTH_WEST:
case CD_WEST:
case CD_SOUTH_WEST:
x = x;
break;
}
if (ctxcanvas->canvas->invert_yaxis)
dir = 1;
switch (ctxcanvas->canvas->text_alignment)
{
case CD_BASE_LEFT:
case CD_BASE_CENTER:
case CD_BASE_RIGHT:
y = y - (dir*h - desc);
break;
case CD_SOUTH_EAST:
case CD_SOUTH_WEST:
case CD_SOUTH:
y = y - (dir*h);
break;
case CD_NORTH_EAST:
case CD_NORTH:
case CD_NORTH_WEST:
y = y;
break;
case CD_CENTER:
case CD_EAST:
case CD_WEST:
y = y - (dir*(h/2));
break;
}
if(!ctxcanvas->canvas->use_matrix)
{
ctxcanvas->fontmatrix.xx = 1; ctxcanvas->fontmatrix.xy = 0;
ctxcanvas->fontmatrix.yx = 0; ctxcanvas->fontmatrix.yy = 1;
ctxcanvas->fontmatrix.x0 = 0; ctxcanvas->fontmatrix.y0 = 0;
}
if (ctxcanvas->canvas->use_matrix || ctxcanvas->canvas->text_orientation)
{
PangoRectangle rect;
double angle = ctxcanvas->canvas->text_orientation;
if (ctxcanvas->canvas->text_orientation)
pango_matrix_rotate(&ctxcanvas->fontmatrix, angle);
pango_context_set_matrix (ctxcanvas->fontcontext, &ctxcanvas->fontmatrix);
pango_layout_context_changed (ctxcanvas->fontlayout);
pango_layout_get_pixel_extents(ctxcanvas->fontlayout, NULL, &rect);
#if PANGO_VERSION_CHECK(1,16,0)
pango_matrix_transform_pixel_rectangle(&ctxcanvas->fontmatrix, &rect);
#endif
if (ctxcanvas->canvas->text_orientation)
{
double cos_angle = cos(angle*CD_DEG2RAD);
double sin_angle = sin(angle*CD_DEG2RAD);
cdRotatePoint(ctxcanvas->canvas, x, y, ox, oy, &x, &y, sin_angle, cos_angle);
}
if (ctxcanvas->canvas->use_matrix)
cdMatrixTransformPoint(ctxcanvas->xmatrix, x, y, &x, &y);
/* Defines the new position (X,Y), considering the Pango rectangle transformed */
x += (int)rect.x;
y += (int)rect.y;
}
cdgdkCheckSolidStyle(ctxcanvas, 1);
if (ctxcanvas->canvas->new_region)
{
GdkRegion *rgn;
gint *idx;
gint range;
pango_layout_line_get_x_ranges(pango_layout_get_line(ctxcanvas->fontlayout, 0), 0, len, &idx, &range);
/* TODO: this is only the bounding box of the layout, not the text itself,
must transform the text into a polygon. */
rgn = gdk_pango_layout_get_clip_region(ctxcanvas->fontlayout, x, y, idx, range);
sCombineRegion(ctxcanvas, rgn);
}
else
gdk_draw_layout(ctxcanvas->wnd, ctxcanvas->gc, x, y, ctxcanvas->fontlayout);
pango_context_set_matrix(ctxcanvas->fontcontext, NULL);
cdgdkCheckSolidStyle(ctxcanvas, 0);
pango_font_metrics_unref(metrics);
}
static IgtkFont* gtkFindFont(const char *standardfont)
{
PangoFontMetrics* metrics;
PangoFontDescription* fontdesc;
int i,
is_underline = 0,
is_strikeout = 0,
count = iupArrayCount(gtk_fonts);
IgtkFont* fonts = (IgtkFont*)iupArrayGetData(gtk_fonts);
/* Check if the standardfont already exists in cache */
for (i = 0; i < count; i++)
{
if (iupStrEqualNoCase(standardfont, fonts[i].standardfont))
return &fonts[i];
}
/* not found, create a new one */
{
int size = 0, is_pango = 0;
int is_bold = 0,
is_italic = 0;
char typeface[1024];
const char* mapped_name;
/* parse the old Windows format first */
if (!iupFontParseWin(standardfont, typeface, &size, &is_bold, &is_italic, &is_underline, &is_strikeout))
{
if (!iupFontParseX(standardfont, typeface, &size, &is_bold, &is_italic, &is_underline, &is_strikeout))
{
if (!iupFontParsePango(standardfont, typeface, &size, &is_bold, &is_italic, &is_underline, &is_strikeout))
return NULL;
else
is_pango = 1;
}
}
mapped_name = iupFontGetPangoName(typeface);
if (mapped_name)
strcpy(typeface, mapped_name);
if (is_pango && !is_underline && !is_strikeout && size>0)
fontdesc = pango_font_description_from_string(standardfont);
else
{
char new_standardfont[200];
if (size<0)
{
double res = ((double)gdk_screen_get_width(gdk_screen_get_default()) / (double)gdk_screen_get_width_mm(gdk_screen_get_default())); /* pixels/mm */
/* 1 point = 1/72 inch 1 inch = 25.4 mm */
/* pixel = ((point/72)*25.4)*pixel/mm */
size = (int)((-size/res)*2.83464567 + 0.5); /* from pixels to points */
}
sprintf(new_standardfont, "%s, %s%s%d", typeface, is_bold?"Bold ":"", is_italic?"Italic ":"", size);
fontdesc = pango_font_description_from_string(new_standardfont);
}
}
if (!fontdesc)
return NULL;
/* create room in the array */
fonts = (IgtkFont*)iupArrayInc(gtk_fonts);
strcpy(fonts[i].standardfont, standardfont);
fonts[i].fontdesc = fontdesc;
fonts[i].strikethrough = pango_attr_strikethrough_new(is_strikeout? TRUE: FALSE);
fonts[i].underline = pango_attr_underline_new(is_underline? PANGO_UNDERLINE_SINGLE: PANGO_UNDERLINE_NONE);
fonts[i].layout = pango_layout_new(gtk_fonts_context);
metrics = pango_context_get_metrics(gtk_fonts_context, fontdesc, pango_context_get_language(gtk_fonts_context));
fonts[i].charheight = pango_font_metrics_get_ascent(metrics) + pango_font_metrics_get_descent(metrics);
fonts[i].charheight = IUPGTK_PANGOUNITS2PIXELS(fonts[i].charheight);
fonts[i].charwidth = pango_font_metrics_get_approximate_char_width(metrics);
fonts[i].charwidth = IUPGTK_PANGOUNITS2PIXELS(fonts[i].charwidth);
pango_font_metrics_unref(metrics);
gtkFontUpdate(&(fonts[i]));
return &fonts[i];
}
static void
gd_two_lines_renderer_get_preferred_width (GtkCellRenderer *cell,
GtkWidget *widget,
gint *minimum_size,
gint *natural_size)
{
PangoContext *context;
PangoFontMetrics *metrics;
PangoFontDescription *font_desc;
GtkStyleContext *style_context;
gint nat_width, min_width;
gint xpad, char_width, wrap_width, text_width;
gint width_chars, ellipsize_chars;
g_object_get (cell,
"xpad", &xpad,
"width-chars", &width_chars,
"wrap-width", &wrap_width,
NULL);
style_context = gtk_widget_get_style_context (widget);
gtk_cell_renderer_get_padding (cell, &xpad, NULL);
gd_two_lines_renderer_get_size (cell, widget,
NULL, NULL,
&text_width, NULL,
NULL,
NULL, NULL, NULL);
/* Fetch the average size of a character */
context = gtk_widget_get_pango_context (widget);
gtk_style_context_save (style_context);
gtk_style_context_set_state (style_context, 0);
gtk_style_context_get (style_context, gtk_style_context_get_state (style_context),
"font", &font_desc, NULL);
gtk_style_context_restore (style_context);
metrics = pango_context_get_metrics (context, font_desc,
pango_context_get_language (context));
char_width = pango_font_metrics_get_approximate_char_width (metrics);
pango_font_metrics_unref (metrics);
pango_font_description_free (font_desc);
/* enforce minimum width for ellipsized labels at ~3 chars */
ellipsize_chars = 3;
/* If no width-chars set, minimum for wrapping text will be the wrap-width */
if (wrap_width > -1)
min_width = xpad * 2 + MIN (text_width, wrap_width);
else
min_width = xpad * 2 +
MIN (text_width,
(PANGO_PIXELS (char_width) * MAX (width_chars, ellipsize_chars)));
if (width_chars > 0)
nat_width = xpad * 2 +
MAX ((PANGO_PIXELS (char_width) * width_chars), text_width);
else
nat_width = xpad * 2 + text_width;
nat_width = MAX (nat_width, min_width);
if (minimum_size)
*minimum_size = min_width;
if (natural_size)
*natural_size = nat_width;
}
