diff options
Diffstat (limited to 'gtk/gtklabel.c')
| -rw-r--r-- | gtk/gtklabel.c | 211 |
1 files changed, 106 insertions, 105 deletions
diff --git a/gtk/gtklabel.c b/gtk/gtklabel.c index dd31a71d34..a4a955f8d4 100644 --- a/gtk/gtklabel.c +++ b/gtk/gtklabel.c @@ -8,7 +8,7 @@ * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public @@ -27,33 +27,33 @@ enum { }; static void gtk_label_class_init (GtkLabelClass *klass); -static void gtk_label_init (GtkLabel *label); -static void gtk_label_set_arg (GtkLabel *label, - GtkArg *arg, - guint arg_id); -static void gtk_label_get_arg (GtkLabel *label, - GtkArg *arg, - guint arg_id); -static void gtk_label_finalize (GtkObject *object); -static void gtk_label_size_request (GtkWidget *widget, +static void gtk_label_init (GtkLabel *label); +static void gtk_label_set_arg (GtkLabel *label, + GtkArg *arg, + guint arg_id); +static void gtk_label_get_arg (GtkLabel *label, + GtkArg *arg, + guint arg_id); +static void gtk_label_finalize (GtkObject *object); +static void gtk_label_size_request (GtkWidget *widget, GtkRequisition *requisition); -static gint gtk_label_expose (GtkWidget *widget, +static gint gtk_label_expose (GtkWidget *widget, GdkEventExpose *event); -static void gtk_label_state_changed (GtkWidget *widget, +static void gtk_label_state_changed (GtkWidget *widget, guint previous_state); -static void gtk_label_style_set (GtkWidget *widget, - GtkStyle *previous_style); +static void gtk_label_style_set (GtkWidget *widget, + GtkStyle *previous_style); static GtkMiscClass *parent_class = NULL; -guint +GtkType gtk_label_get_type (void) { - static guint label_type = 0; - + static GtkType label_type = 0; + if (!label_type) { GtkTypeInfo label_info = @@ -64,13 +64,13 @@ gtk_label_get_type (void) (GtkClassInitFunc) gtk_label_class_init, (GtkObjectInitFunc) gtk_label_init, (GtkArgSetFunc) gtk_label_set_arg, - (GtkArgGetFunc) gtk_label_get_arg, + (GtkArgGetFunc) gtk_label_get_arg, }; - + label_type = gtk_type_unique (gtk_misc_get_type (), &label_info); gtk_type_set_chunk_alloc (label_type, 32); } - + return label_type; } @@ -79,17 +79,17 @@ gtk_label_class_init (GtkLabelClass *class) { GtkObjectClass *object_class; GtkWidgetClass *widget_class; - + object_class = (GtkObjectClass*) class; widget_class = (GtkWidgetClass*) class; - + parent_class = gtk_type_class (gtk_misc_get_type ()); - + gtk_object_add_arg_type ("GtkLabel::label", GTK_TYPE_STRING, GTK_ARG_READWRITE, ARG_LABEL); gtk_object_add_arg_type ("GtkLabel::justify", GTK_TYPE_ENUM, GTK_ARG_READWRITE, ARG_JUSTIFY); - + object_class->finalize = gtk_label_finalize; - + widget_class->size_request = gtk_label_size_request; widget_class->expose_event = gtk_label_expose; widget_class->style_set = gtk_label_style_set; @@ -97,9 +97,9 @@ gtk_label_class_init (GtkLabelClass *class) } static void -gtk_label_set_arg (GtkLabel *label, - GtkArg *arg, - guint arg_id) +gtk_label_set_arg (GtkLabel *label, + GtkArg *arg, + guint arg_id) { switch (arg_id) { @@ -115,9 +115,10 @@ gtk_label_set_arg (GtkLabel *label, } } -static void gtk_label_get_arg (GtkLabel *label, - GtkArg *arg, - guint arg_id) +static void +gtk_label_get_arg (GtkLabel *label, + GtkArg *arg, + guint arg_id) { switch (arg_id) { @@ -137,43 +138,44 @@ static void gtk_label_init (GtkLabel *label) { GTK_WIDGET_SET_FLAGS (label, GTK_NO_WINDOW); - + label->label = NULL; label->row = NULL; + label->max_width = 0; label->jtype = GTK_JUSTIFY_CENTER; - label->needs_clear = 0; - + label->needs_clear = FALSE; + gtk_label_set (label, ""); } GtkWidget* -gtk_label_new (const char *str) +gtk_label_new (const gchar *str) { GtkLabel *label; - + g_return_val_if_fail (str != NULL, NULL); - + label = gtk_type_new (gtk_label_get_type ()); - + gtk_label_set (label, str); - + return GTK_WIDGET (label); } void -gtk_label_set (GtkLabel *label, - const char *str) +gtk_label_set (GtkLabel *label, + const gchar *str) { char* p; - + g_return_if_fail (label != NULL); g_return_if_fail (GTK_IS_LABEL (label)); g_return_if_fail (str != NULL); - + if (label->label) g_free (label->label); label->label = g_strdup (str); - + if (label->row) g_slist_free (label->row); label->row = NULL; @@ -181,7 +183,7 @@ gtk_label_set (GtkLabel *label, p = label->label; while ((p = strchr(p, '\n'))) label->row = g_slist_append (label->row, ++p); - + if (GTK_WIDGET_VISIBLE (label)) { if (GTK_WIDGET_MAPPED (label)) @@ -190,43 +192,44 @@ gtk_label_set (GtkLabel *label, GTK_WIDGET (label)->allocation.y, GTK_WIDGET (label)->allocation.width, GTK_WIDGET (label)->allocation.height); - + gtk_widget_queue_resize (GTK_WIDGET (label)); } } void -gtk_label_set_justify (GtkLabel *label, GtkJustification jtype) +gtk_label_set_justify (GtkLabel *label, + GtkJustification jtype) { g_return_if_fail (label != NULL); g_return_if_fail (GTK_IS_LABEL (label)); - + if ((GtkJustification) label->jtype != jtype) { label->jtype = jtype; if (GTK_WIDGET_VISIBLE (label)) - { - if (GTK_WIDGET_MAPPED (label)) - gdk_window_clear_area (GTK_WIDGET (label)->window, - GTK_WIDGET (label)->allocation.x, - GTK_WIDGET (label)->allocation.y, - GTK_WIDGET (label)->allocation.width, - GTK_WIDGET (label)->allocation.height); - - gtk_widget_queue_resize (GTK_WIDGET (label)); - } + { + if (GTK_WIDGET_MAPPED (label)) + gdk_window_clear_area (GTK_WIDGET (label)->window, + GTK_WIDGET (label)->allocation.x, + GTK_WIDGET (label)->allocation.y, + GTK_WIDGET (label)->allocation.width, + GTK_WIDGET (label)->allocation.height); + + gtk_widget_queue_resize (GTK_WIDGET (label)); + } } } void -gtk_label_get (GtkLabel *label, - char **str) +gtk_label_get (GtkLabel *label, + gchar **str) { g_return_if_fail (label != NULL); g_return_if_fail (GTK_IS_LABEL (label)); g_return_if_fail (str != NULL); - + *str = label->label; } @@ -254,36 +257,37 @@ gtk_label_size_request (GtkWidget *widget, GtkLabel *label; GSList *row; gint width; - + g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_LABEL (widget)); g_return_if_fail (requisition != NULL); - + label = GTK_LABEL (widget); - + row = label->row; width = 0; while (row) { if (row->next) - width = MAX (width, - gdk_text_width (GTK_WIDGET (label)->style->font, - row->data, - (gchar*) row->next->data - (gchar*) row->data - 1)); + width = MAX (width, + gdk_text_width (GTK_WIDGET (label)->style->font, + row->data, + (gchar*) row->next->data - (gchar*) row->data - 1)); else - width = MAX (width, gdk_string_width (GTK_WIDGET (label)->style->font, row->data)); + width = MAX (width, gdk_string_width (GTK_WIDGET (label)->style->font, row->data)); row = row->next; } - + + label->max_width = width; requisition->width = width + label->misc.xpad * 2; requisition->height = ((GTK_WIDGET (label)->style->font->ascent + - GTK_WIDGET (label)->style->font->descent + 2) * - g_slist_length(label->row) + - label->misc.ypad * 2); + GTK_WIDGET (label)->style->font->descent + 2) * + g_slist_length(label->row) + + label->misc.ypad * 2); } static gint -gtk_label_expose (GtkWidget *widget, +gtk_label_expose (GtkWidget *widget, GdkEventExpose *event) { GtkLabel *label; @@ -292,28 +296,25 @@ gtk_label_expose (GtkWidget *widget, gint state; gint offset; gint len; - gint maxl; gint x, y; - + g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_LABEL (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); - + if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_MAPPED (widget)) { label = GTK_LABEL (widget); misc = GTK_MISC (widget); - + state = widget->state; - - maxl = widget->requisition.width - misc->xpad * 2; - + /* * GC Clipping */ gdk_gc_set_clip_rectangle (widget->style->white_gc, &event->area); gdk_gc_set_clip_rectangle (widget->style->fg_gc[state], &event->area); - + /* We clear the whole allocation here so that if a partial * expose is triggered we don't just clear part and mess up * when the queued redraw comes along. (There will always @@ -327,31 +328,31 @@ gtk_label_expose (GtkWidget *widget, widget->allocation.y, widget->allocation.width, widget->allocation.height); - + label->needs_clear = FALSE; } - + x = widget->allocation.x + misc->xpad + - (widget->allocation.width - widget->requisition.width) + (widget->allocation.width - (label->max_width + label->misc.xpad * 2)) * misc->xalign + 0.5; - + y = (widget->allocation.y * (1.0 - misc->yalign) + (widget->allocation.y + widget->allocation.height - (widget->requisition.height - misc->ypad * 2)) * misc->yalign + widget->style->font->ascent) + 1.5; - + row = label->row; while (row && row->next) { len = (gchar*) row->next->data - (gchar*) row->data - 1; offset = 0; - + if (label->jtype == GTK_JUSTIFY_CENTER) - offset = (maxl - gdk_text_width (widget->style->font, row->data, len)) / 2; - + offset = (label->max_width - gdk_text_width (widget->style->font, row->data, len)) / 2; + else if (label->jtype == GTK_JUSTIFY_RIGHT) - offset = (maxl - gdk_text_width (widget->style->font, row->data, len)); - + offset = (label->max_width - gdk_text_width (widget->style->font, row->data, len)); + if (state == GTK_STATE_INSENSITIVE) gdk_draw_text (widget->window, widget->style->font, widget->style->white_gc, @@ -370,13 +371,13 @@ gtk_label_expose (GtkWidget *widget, * Once we have a wrapping interface we can support GTK_JUSTIFY_FILL. */ offset = 0; - + if (label->jtype == GTK_JUSTIFY_CENTER) - offset = (maxl - gdk_string_width (widget->style->font, row->data)) / 2; - + offset = (label->max_width - gdk_string_width (widget->style->font, row->data)) / 2; + else if (label->jtype == GTK_JUSTIFY_RIGHT) - offset = (maxl - gdk_string_width (widget->style->font, row->data)); - + offset = (label->max_width - gdk_string_width (widget->style->font, row->data)); + if (state == GTK_STATE_INSENSITIVE) gdk_draw_string (widget->window, widget->style->font, widget->style->white_gc, @@ -385,27 +386,27 @@ gtk_label_expose (GtkWidget *widget, gdk_draw_string (widget->window, widget->style->font, widget->style->fg_gc[state], offset + x, y, row->data); - + gdk_gc_set_clip_mask (widget->style->white_gc, NULL); gdk_gc_set_clip_mask (widget->style->fg_gc[state], NULL); - + } return TRUE; } static void -gtk_label_state_changed (GtkWidget *widget, - guint previous_state) +gtk_label_state_changed (GtkWidget *widget, + guint previous_state) { if (GTK_WIDGET_DRAWABLE (widget)) - GTK_LABEL (widget)->needs_clear = 1; + GTK_LABEL (widget)->needs_clear = TRUE; } static void -gtk_label_style_set (GtkWidget *widget, - GtkStyle *previous_style) +gtk_label_style_set (GtkWidget *widget, + GtkStyle *previous_style) { if (GTK_WIDGET_DRAWABLE (widget)) - GTK_LABEL (widget)->needs_clear = 1; + GTK_LABEL (widget)->needs_clear = TRUE; } |