mirror of
https://github.com/MidnightCommander/mc
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138 lines
3.1 KiB
C
138 lines
3.1 KiB
C
/*
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* (C) 1998 The Free Software Foundation
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*
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* Author: Miguel de Icaza (miguel@kernel.org)
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*
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* Clipped label: This label is differnt from the one on Gtk as it
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* does requests no space, but uses all that is given to it.
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*
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* It does not queue an resize when changing the text.
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* */
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#include <string.h>
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#include "gcliplabel.h"
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static void gtk_clip_label_class_init (GtkClipLabelClass *klass);
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static void gtk_clip_label_size_request (GtkWidget *widget,
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GtkRequisition *requisition);
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static void gtk_clip_label_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation);
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static GtkLabelClass *parent_class = NULL;
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guint
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gtk_clip_label_get_type ()
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{
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static guint label_type = 0;
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if (!label_type)
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{
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GtkTypeInfo clip_label_info =
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{
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"GtkClipLabel",
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sizeof (GtkClipLabel),
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sizeof (GtkClipLabelClass),
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(GtkClassInitFunc) gtk_clip_label_class_init,
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(GtkObjectInitFunc) NULL,
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(GtkArgSetFunc) NULL,
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(GtkArgGetFunc) NULL
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};
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label_type = gtk_type_unique (gtk_label_get_type (), &clip_label_info);
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}
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return label_type;
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}
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static void
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gtk_clip_label_class_init (GtkClipLabelClass *class)
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{
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GtkWidgetClass *widget_class;
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parent_class = gtk_type_class (gtk_label_get_type ());
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widget_class = (GtkWidgetClass*) class;
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widget_class->size_request = gtk_clip_label_size_request;
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widget_class->size_allocate = gtk_clip_label_size_allocate;
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}
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void
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gtk_clip_label_set (GtkLabel *label,
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const char *str)
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{
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char* p;
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g_return_if_fail (label != NULL);
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g_return_if_fail (GTK_IS_LABEL (label));
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g_return_if_fail (str != NULL);
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if (label->label)
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g_free (label->label);
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label->label = g_strdup (str);
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if (label->row)
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g_slist_free (label->row);
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label->row = NULL;
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label->row = g_slist_append (label->row, label->label);
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p = label->label;
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while ((p = strchr(p, '\n')))
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label->row = g_slist_append (label->row, ++p);
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if (GTK_WIDGET_VISIBLE (label))
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{
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if (GTK_WIDGET_MAPPED (label))
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gdk_window_clear_area (GTK_WIDGET (label)->window,
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GTK_WIDGET (label)->allocation.x,
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GTK_WIDGET (label)->allocation.y,
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GTK_WIDGET (label)->allocation.width,
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GTK_WIDGET (label)->allocation.height);
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gtk_widget_queue_draw (GTK_WIDGET (label));
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}
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}
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GtkWidget*
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gtk_clip_label_new (const char *str)
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{
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GtkClipLabel *label;
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g_return_val_if_fail (str != NULL, NULL);
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label = gtk_type_new (gtk_clip_label_get_type ());
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gtk_label_set (GTK_LABEL (label), str);
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return GTK_WIDGET (label);
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}
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static void
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gtk_clip_label_size_request (GtkWidget *widget,
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GtkRequisition *requisition)
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{
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GtkClipLabel *label;
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GSList *row;
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g_return_if_fail (widget != NULL);
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g_return_if_fail (GTK_IS_CLIP_LABEL (widget));
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g_return_if_fail (requisition != NULL);
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label = GTK_CLIP_LABEL (widget);
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((GtkWidgetClass *)parent_class)->size_request (widget, requisition);
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requisition->width = GTK_LABEL (label)->misc.xpad * 2;
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}
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static void
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gtk_clip_label_size_allocate (GtkWidget *widget,
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GtkAllocation *alloc)
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{
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((GtkWidgetClass *)parent_class)->size_allocate (widget, alloc);
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widget->requisition.width = alloc->width;
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}
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