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-rw-r--r--widgets/misc/ChangeLog9
-rw-r--r--widgets/misc/e-clipped-label.c124
-rw-r--r--widgets/misc/e-clipped-label.h4
3 files changed, 84 insertions, 53 deletions
diff --git a/widgets/misc/ChangeLog b/widgets/misc/ChangeLog
index a7a83d6d76..bb0f24bd47 100644
--- a/widgets/misc/ChangeLog
+++ b/widgets/misc/ChangeLog
@@ -1,3 +1,12 @@
+2002-11-15 Chris Toshok <toshok@ximian.com>
+
+ * e-clipped-label.c (build_layout): new function, build pango
+ layout for string.
+ (e_clipped_label_size_request): pango-ize this, make the size
+ requested dependent on the label.
+ (e_clipped_label_expose): pango-ize this.
+ (e_clipped_label_recalc_chars_displayed): pango-ize this.
+
2002-11-14 Ettore Perazzoli <ettore@ximian.com>
* e-clipped-label.c (e_clipped_label_finalize): New.
diff --git a/widgets/misc/e-clipped-label.c b/widgets/misc/e-clipped-label.c
index 2115e8e038..f74a720aea 100644
--- a/widgets/misc/e-clipped-label.c
+++ b/widgets/misc/e-clipped-label.c
@@ -51,7 +51,7 @@ static void e_clipped_label_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static gint e_clipped_label_expose (GtkWidget *widget,
GdkEventExpose *event);
-static void e_clipped_label_recalc_chars_displayed (EClippedLabel *label);
+static void e_clipped_label_recalc_chars_displayed (EClippedLabel *label, PangoLayout *layout);
static void e_clipped_label_finalize (GObject *object);
@@ -117,7 +117,6 @@ e_clipped_label_init (EClippedLabel *label)
GTK_WIDGET_SET_FLAGS (label, GTK_NO_WINDOW);
label->label = NULL;
- label->label_wc = NULL;
label->chars_displayed = E_CLIPPED_LABEL_NEED_RECALC;
}
@@ -143,6 +142,31 @@ e_clipped_label_new (const gchar *text)
return label;
}
+static PangoLayout*
+build_layout (GtkWidget *widget, char *text)
+{
+ PangoLayout *layout;
+
+ layout = gtk_widget_create_pango_layout (widget, text);
+
+#ifdef FROB_FONT_DESC
+ {
+ /* this makes the font used a little bigger than the
+ default style for this widget, as well as makes it
+ bold... */
+ GtkStyle *style = gtk_widget_get_style (widget);
+ PangoFontDescription *desc = pango_font_description_copy (style->font_desc);
+ pango_font_description_set_size (desc,
+ pango_font_description_get_size (desc) * 1.2);
+
+ pango_font_description_set_weight (desc, PANGO_WEIGHT_BOLD);
+ pango_layout_set_font_description (layout, desc);
+ pango_font_description_free (desc);
+ }
+#endif
+
+ return layout;
+}
static void
e_clipped_label_size_request (GtkWidget *widget,
@@ -150,16 +174,21 @@ e_clipped_label_size_request (GtkWidget *widget,
{
EClippedLabel *label;
GdkFont *font;
-
+ PangoLayout *layout;
+ int height;
+
g_return_if_fail (E_IS_CLIPPED_LABEL (widget));
g_return_if_fail (requisition != NULL);
label = E_CLIPPED_LABEL (widget);
- font = gtk_style_get_font (widget->style);
+
+ layout = build_layout (widget, label->label);
+ pango_layout_get_pixel_size (layout, NULL, &height);
requisition->width = 0;
- requisition->height = font->ascent + font->descent
- + 2 * GTK_MISC (widget)->ypad;
+ requisition->height = height + 2 * GTK_MISC (widget)->ypad;
+
+ g_object_unref (layout);
}
@@ -185,24 +214,28 @@ e_clipped_label_expose (GtkWidget *widget,
EClippedLabel *label;
GtkMisc *misc;
gint x, y;
- GdkFont *font;
gchar *tmp_str, tmp_ch;
+ PangoLayout *layout;
+ PangoRectangle rect;
g_return_val_if_fail (E_IS_CLIPPED_LABEL (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
label = E_CLIPPED_LABEL (widget);
misc = GTK_MISC (widget);
- font = gtk_style_get_font (widget->style);
/* If the label isn't visible or has no text, just return. */
if (!GTK_WIDGET_VISIBLE (widget) || !GTK_WIDGET_MAPPED (widget)
|| !label->label || (*label->label == '\0'))
return TRUE;
+ layout = build_layout (widget, label->label);
+
/* Recalculate the number of characters displayed, if necessary. */
if (label->chars_displayed == E_CLIPPED_LABEL_NEED_RECALC)
- e_clipped_label_recalc_chars_displayed (label);
+ e_clipped_label_recalc_chars_displayed (label, layout);
+
+ pango_layout_set_text (layout, label->label, strlen (label->label));
/*
* GC Clipping
@@ -211,11 +244,13 @@ e_clipped_label_expose (GtkWidget *widget,
&event->area);
gdk_gc_set_clip_rectangle (widget->style->fg_gc[widget->state],
&event->area);
-
+
+ pango_layout_get_pixel_extents (layout, &rect, NULL);
+
y = floor (widget->allocation.y + (gint)misc->ypad
+ (((gint)widget->allocation.height - 2 * (gint)misc->ypad
- - (gint)font->ascent - font->descent)
- * misc->yalign) + 0.5) + font->ascent;
+ + (gint)PANGO_ASCENT (rect) - PANGO_DESCENT(rect))
+ * misc->yalign) + 0.5);
if (label->chars_displayed == E_CLIPPED_LABEL_SHOW_ENTIRE_LABEL) {
x = floor (widget->allocation.x + (gint)misc->xpad
@@ -223,34 +258,34 @@ e_clipped_label_expose (GtkWidget *widget,
(gint)label->label_width - 2 * (gint)misc->xpad)
* misc->xalign) + 0.5);
- gtk_paint_string (widget->style, widget->window, widget->state,
- &event->area, widget, "label",
- x, y, label->label);
+ gdk_draw_layout (widget->window, widget->style->fg_gc[widget->state],
+ x, y, layout);
} else {
+ int layout_width;
+
x = widget->allocation.x + (gint)misc->xpad;
- tmp_ch = label->label_wc[label->chars_displayed];
- label->label_wc[label->chars_displayed] = '\0';
- tmp_str = gdk_wcstombs (label->label_wc);
- if (tmp_str) {
- gtk_paint_string (widget->style, widget->window,
- widget->state, &event->area,
- widget, "label",
- x, y, tmp_str);
- g_free (tmp_str);
- }
- label->label_wc[label->chars_displayed] = tmp_ch;
+ pango_layout_set_text (layout, label->label, label->chars_displayed);
+
+ gdk_draw_layout (widget->window, widget->style->fg_gc[widget->state],
+ x, y, layout);
+
+ pango_layout_get_pixel_size (layout, &layout_width, NULL);
x = widget->allocation.x + (gint)misc->xpad
+ label->ellipsis_x;
- gtk_paint_string (widget->style, widget->window, widget->state,
- &event->area, widget, "label",
- x, y, e_clipped_label_ellipsis);
+
+ pango_layout_set_text (layout, e_clipped_label_ellipsis, strlen (e_clipped_label_ellipsis));
+
+ gdk_draw_layout (widget->window, widget->style->fg_gc[widget->state],
+ x, y, layout);
}
gdk_gc_set_clip_mask (widget->style->white_gc, NULL);
gdk_gc_set_clip_mask (widget->style->fg_gc[widget->state], NULL);
+ g_object_unref (layout);
+
return TRUE;
}
@@ -265,7 +300,6 @@ e_clipped_label_finalize (GObject *object)
label = E_CLIPPED_LABEL(object);
g_free (label->label);
- g_free (label->label_wc);
(* G_OBJECT_CLASS (parent_class)->finalize) (object);
}
@@ -307,18 +341,10 @@ e_clipped_label_set_text (EClippedLabel *label,
if (label->label != text || !label->label || !text
|| strcmp (label->label, text)) {
g_free (label->label);
- g_free (label->label_wc);
label->label = NULL;
- label->label_wc = NULL;
- if (text) {
+ if (text)
label->label = g_strdup (text);
- len = strlen (text);
- label->label_wc = g_new (GdkWChar, len + 1);
- label->wc_len = gdk_mbstowcs (label->label_wc,
- label->label, len + 1);
- label->label_wc[label->wc_len] = '\0';
- }
/* Reset the number of characters displayed, so it is
recalculated when needed. */
@@ -332,12 +358,9 @@ e_clipped_label_set_text (EClippedLabel *label,
static void
-e_clipped_label_recalc_chars_displayed (EClippedLabel *label)
+e_clipped_label_recalc_chars_displayed (EClippedLabel *label, PangoLayout *layout)
{
- GdkFont *font;
- gint max_width, width, ch, last_width;
-
- font = gtk_style_get_font (GTK_WIDGET (label)->style);
+ gint max_width, width, ch, last_width, ellipsis_width;
max_width = GTK_WIDGET (label)->allocation.width
- 2 * GTK_MISC (label)->xpad;
@@ -348,14 +371,16 @@ e_clipped_label_recalc_chars_displayed (EClippedLabel *label)
}
/* See if the entire label fits in the allocated width. */
- label->label_width = gdk_string_width (font, label->label);
+ pango_layout_get_pixel_size (layout, &label->label_width, NULL);
if (label->label_width <= max_width) {
label->chars_displayed = E_CLIPPED_LABEL_SHOW_ENTIRE_LABEL;
return;
}
/* Calculate the width of the ellipsis string. */
- max_width -= gdk_string_measure (font, e_clipped_label_ellipsis);
+ pango_layout_set_text (layout, e_clipped_label_ellipsis, strlen (e_clipped_label_ellipsis));
+ pango_layout_get_pixel_size (layout, &ellipsis_width, NULL);
+ max_width -= ellipsis_width;
if (max_width <= 0) {
label->chars_displayed = 0;
@@ -363,11 +388,12 @@ e_clipped_label_recalc_chars_displayed (EClippedLabel *label)
return;
}
- /* Step through the wide-char label, adding on the widths of the
+ /* Step through the label, adding on the widths of the
characters, until we can't fit any more in. */
width = last_width = 0;
- for (ch = 0; ch < label->wc_len; ch++) {
- width += gdk_char_width_wc (font, label->label_wc[ch]);
+ for (ch = 0; ch < strlen (label->label); ch++) {
+ pango_layout_set_text (layout, label->label, ch);
+ pango_layout_get_pixel_size (layout, &width, NULL);
if (width > max_width) {
label->chars_displayed = ch;
diff --git a/widgets/misc/e-clipped-label.h b/widgets/misc/e-clipped-label.h
index e6e2851538..002cb0de0a 100644
--- a/widgets/misc/e-clipped-label.h
+++ b/widgets/misc/e-clipped-label.h
@@ -50,10 +50,6 @@ struct _EClippedLabel
GtkMisc misc;
gchar *label;
- GdkWChar *label_wc;
-
- /* This is the number of wide characters in the label. */
- gint wc_len;
/* This is the width of the entire label string, in pixels. */
gint label_width;
generated by cgit (git 2.34.1) at 2024-11-19 04:09:04 +0800