New `ETitleBar' widget. Also, moved the `EClippedLabel' widget out of

the `EShortcutBar' directory.

svn path=/trunk/; revision=3053

4 files changed, 16 insertions, 461 deletions

diff --git a/widgets/shortcut-bar/ChangeLog b/widgets/shortcut-bar/ChangeLog
index 2e1d9ae51f..9b6be0117d 100644
--- a/widgets/shortcut-bar/ChangeLog
+++ b/widgets/shortcut-bar/ChangeLog
@@ -1,3 +1,9 @@
+2000-05-16  Ettore Perazzoli  <ettore@helixcode.com>
+
+	* e-clipped-label.c: Moved to $(top_srcdir)/widgets/misc.
+	* e-clipped-label.h: Likewise.
+	* Makefile.am: Updated accordingly.
+
 2000-05-07  Larry Ewing  <lewing@helixcode.com>
 
 	* e-icon-bar.h (struct _EIconBarItem): remove the no longer needed
diff --git a/widgets/shortcut-bar/Makefile.am b/widgets/shortcut-bar/Makefile.am
index 66893fefb0..2d7189d901 100644
--- a/widgets/shortcut-bar/Makefile.am
+++ b/widgets/shortcut-bar/Makefile.am
@@ -2,14 +2,13 @@
 noinst_LIBRARIES = libshortcut-bar.a
 noinst_PROGRAMS = test-shortcut-bar
 
-INCLUDES = \
-	-DEVOLUTION_VERSION=\""$(VERSION)"\"		\
-	$(EXTRA_GNOME_CFLAGS)				\
-	-DG_LOG_DOMAIN=\"shortcut-bar\" 
+INCLUDES = 					\
+	-I$(top_srcdir)/widgets/misc		\
+	-DEVOLUTION_VERSION=\""$(VERSION)"\"	\
+	$(EXTRA_GNOME_CFLAGS)			\
+	-DG_LOG_DOMAIN=\"shortcut-bar\"
 
 libshortcut_bar_a_SOURCES = 	\
-	e-clipped-label.c	\
-	e-clipped-label.h	\
 	e-group-bar.c		\
 	e-group-bar.h		\
 	e-icon-bar-bg-item.c	\
@@ -24,10 +23,11 @@ libshortcut_bar_a_SOURCES = 	\
 test_shortcut_bar_SOURCES = 	\
 	test-shortcut-bar.c
 
-test_shortcut_bar_LDADD = 	\
-	./libshortcut-bar.a	\
-	../e-text/libetext.a	\
-	../../e-util/libeutil.la\
+test_shortcut_bar_LDADD = 		\
+	./libshortcut-bar.a		\
+	../e-text/libetext.a		\
+	../misc/libemiscwidgets.a	\
+	../../e-util/libeutil.la	\
 	$(EXTRA_GNOME_LIBS)
 
 test_shortcut_bar_LDFLAGS =	\
diff --git a/widgets/shortcut-bar/e-clipped-label.c b/widgets/shortcut-bar/e-clipped-label.c
deleted file mode 100644
index e6666ae451..0000000000
--- a/widgets/shortcut-bar/e-clipped-label.c
+++ /dev/null
@@ -1,361 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-
-/* 
- * Author : 
- *  Damon Chaplin <damon@helixcode.com>
- *
- * Copyright 1999, Helix Code, Inc.
- *
- * This program is free software; you can redistribute it and/or 
- * modify it under the terms of the GNU General Public License as 
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- * USA
- */
-
-/*
- * This is similar to GtkLabel but clips itself and displays '...' if it
- * can't fit inside its allocated area. The intended use is for inside buttons
- * that are a fixed size. The GtkLabel would normally display only the middle
- * part of the text, which doesn't look very good. This only supports one line
- * of text (so no wrapping/justification), without underlined characters.
- */
-
-#include <math.h>
-
-#include <gdk/gdki18n.h>
-#include <libgnome/gnome-defs.h>
-#include <libgnome/gnome-i18n.h>
-
-#include "e-clipped-label.h"
-
-
-static void e_clipped_label_class_init (EClippedLabelClass *class);
-static void e_clipped_label_init (EClippedLabel *label);
-static void e_clipped_label_size_request (GtkWidget      *widget,
-					  GtkRequisition *requisition);
-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 GtkMiscClass *parent_class;
-
-/* This is the string to draw when the label is clipped, e.g. '...'. */
-static gchar *e_clipped_label_ellipsis;
-
-/* Flags used in chars_displayed field. Must be negative. */
-#define E_CLIPPED_LABEL_NEED_RECALC		-1
-#define E_CLIPPED_LABEL_SHOW_ENTIRE_LABEL	-2
-
-
-GtkType
-e_clipped_label_get_type (void)
-{
-	static GtkType e_clipped_label_type = 0;
-
-	if (!e_clipped_label_type){
-		GtkTypeInfo e_clipped_label_info = {
-			"EClippedLabel",
-			sizeof (EClippedLabel),
-			sizeof (EClippedLabelClass),
-			(GtkClassInitFunc) e_clipped_label_class_init,
-			(GtkObjectInitFunc) e_clipped_label_init,
-			NULL, /* reserved 1 */
-			NULL, /* reserved 2 */
-			(GtkClassInitFunc) NULL
-		};
-
-		parent_class = gtk_type_class (GTK_TYPE_MISC);
-		e_clipped_label_type = gtk_type_unique (GTK_TYPE_MISC,
-							&e_clipped_label_info);
-	}
-
-	return e_clipped_label_type;
-}
-
-
-static void
-e_clipped_label_class_init (EClippedLabelClass *class)
-{
-	GtkObjectClass *object_class;
-	GtkWidgetClass *widget_class;
-
-	object_class = (GtkObjectClass *) class;
-	widget_class = (GtkWidgetClass *) class;
-
-	/* Method override */
-	widget_class->size_request	= e_clipped_label_size_request;
- 	widget_class->size_allocate	= e_clipped_label_size_allocate;
-	widget_class->expose_event	= e_clipped_label_expose;
-
-	e_clipped_label_ellipsis = _("...");
-}
-
-
-static void
-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;
-}
-
-
-/**
- * e_clipped_label_new:
- *
- * @text: The label text.
- * @Returns: A new #EClippedLabel.
- *
- * Creates a new #EClippedLabel with the given text.
- **/
-GtkWidget *
-e_clipped_label_new (const gchar *text)
-{
-	GtkWidget *label;
-
-	label = GTK_WIDGET (gtk_type_new (e_clipped_label_get_type ()));
-
-	if (text && *text)
-		e_clipped_label_set_text (E_CLIPPED_LABEL (label), text);
-
-	return label;
-}
-
-
-static void
-e_clipped_label_size_request (GtkWidget      *widget,
-			      GtkRequisition *requisition)
-{
-	EClippedLabel *label;
-	GdkFont *font;
-  
-	g_return_if_fail (E_IS_CLIPPED_LABEL (widget));
-	g_return_if_fail (requisition != NULL);
-  
-	label = E_CLIPPED_LABEL (widget);
-	font = widget->style->font;
-
-	requisition->width = 0;
-	requisition->height = font->ascent + font->descent
-		+ 2 * GTK_MISC (widget)->ypad;
-}
-
-
-static void
-e_clipped_label_size_allocate (GtkWidget *widget,
-			       GtkAllocation *allocation)
-{
-	EClippedLabel *label;
-
-	label = E_CLIPPED_LABEL (widget);
-
-	widget->allocation = *allocation;
-
-	/* Flag that we need to recalculate how many characters to display. */
-	label->chars_displayed = E_CLIPPED_LABEL_NEED_RECALC;
-}
-
-
-static gint
-e_clipped_label_expose (GtkWidget      *widget,
-			GdkEventExpose *event)
-{
-	EClippedLabel *label;
-	GtkMisc *misc;
-	gint x, y;
-	GdkFont *font;
-	gchar *tmp_str, tmp_ch;
-
-	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 = widget->style->font;
-
-	/* 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;
-
-	/* Recalculate the number of characters displayed, if necessary. */
-	if (label->chars_displayed == E_CLIPPED_LABEL_NEED_RECALC)
-		e_clipped_label_recalc_chars_displayed (label);
-
-	/*
-	 * GC Clipping
-	 */
-	gdk_gc_set_clip_rectangle (widget->style->white_gc,
-				   &event->area);
-	gdk_gc_set_clip_rectangle (widget->style->fg_gc[widget->state],
-				   &event->area);
-      
-	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;
-
-	if (label->chars_displayed == E_CLIPPED_LABEL_SHOW_ENTIRE_LABEL) {
-		x = floor (widget->allocation.x + (gint)misc->xpad
-			   + (((gint)widget->allocation.width - 
-			       (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);
-	} else {
-		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;
-
-		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);
-	}
-
-	gdk_gc_set_clip_mask (widget->style->white_gc, NULL);
-	gdk_gc_set_clip_mask (widget->style->fg_gc[widget->state], NULL);
-
-	return TRUE;
-}
-
-
-/**
- * e_clipped_label_get_text:
- *
- * @label: An #EClippedLabel.
- * @Return: The label text.
- *
- * Returns the label text, or NULL.
- **/
-gchar*
-e_clipped_label_get_text (EClippedLabel	*label)
-{
-	g_return_val_if_fail (E_IS_CLIPPED_LABEL (label), NULL);
-
-	return label->label;
-}
-
-
-/**
- * e_clipped_label_set_text:
- *
- * @label: An #EClippedLabel.
- * @text: The new label text.
- *
- * Sets the label text.
- **/
-void
-e_clipped_label_set_text (EClippedLabel *label,
-			  const gchar *text)
-{
-	gint len;
-
-	g_return_if_fail (E_IS_CLIPPED_LABEL (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) {
-			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. */
-		label->chars_displayed = E_CLIPPED_LABEL_NEED_RECALC;
-
-		/* We don't queue a resize, since the label should not affect
-		   the widget size, but we queue a draw. */
-		gtk_widget_queue_draw (GTK_WIDGET (label));
-	}
-}
-
-
-static void
-e_clipped_label_recalc_chars_displayed (EClippedLabel *label)
-{
-	GdkFont *font;
-	gint max_width, width, ch, last_width;
-
-	font = GTK_WIDGET (label)->style->font;
-
-	max_width = GTK_WIDGET (label)->allocation.width
-		- 2 * GTK_MISC (label)->xpad;
-
-	if (!label->label) {
-		label->chars_displayed = 0;
-		return;
-	}
-
-	/* See if the entire label fits in the allocated width. */
-	label->label_width = gdk_string_width (font, label->label);
-	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);
-
-	if (max_width <= 0) {
-		label->chars_displayed = 0;
-		label->ellipsis_x = 0;
-		return;
-	}
-
-	/* Step through the wide-char 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]);
-
-		if (width > max_width) {
-			label->chars_displayed = ch;
-			label->ellipsis_x = last_width;
-			return;
-		}
-
-		last_width = width;
-	}
-
-	g_warning ("Clipped label width not exceeded as expected");
-	label->chars_displayed = E_CLIPPED_LABEL_SHOW_ENTIRE_LABEL;
-}
-
diff --git a/widgets/shortcut-bar/e-clipped-label.h b/widgets/shortcut-bar/e-clipped-label.h
deleted file mode 100644
index a21ceadeca..0000000000
--- a/widgets/shortcut-bar/e-clipped-label.h
+++ /dev/null
@@ -1,90 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-
-/* 
- * Author : 
- *  Damon Chaplin <damon@helixcode.com>
- *
- * Copyright 1999, Helix Code, Inc.
- *
- * This program is free software; you can redistribute it and/or 
- * modify it under the terms of the GNU General Public License as 
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- * USA
- */
-
-/*
- * This is similar to GtkLabel but clips itself and displays '...' if it
- * can't fit inside its allocated area. The intended use is for inside buttons
- * that are a fixed size. The GtkLabel would normally display only the middle
- * part of the text, which doesn't look very good. This only supports one line
- * of text (so no wrapping/justification), without underlined characters.
- */
-#ifndef _E_CLIPPED_LABEL_H_
-#define _E_CLIPPED_LABEL_H_
-
-#include <gtk/gtkmisc.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
-#define E_CLIPPED_LABEL(obj)          GTK_CHECK_CAST (obj, e_clipped_label_get_type (), EClippedLabel)
-#define E_CLIPPED_LABEL_CLASS(klass)  GTK_CHECK_CLASS_CAST (klass, e_clipped_label_get_type (), EClippedLabelClass)
-#define E_IS_CLIPPED_LABEL(obj)       GTK_CHECK_TYPE (obj, e_clipped_label_get_type ())
-
-
-typedef struct _EClippedLabel       EClippedLabel;
-typedef struct _EClippedLabelClass  EClippedLabelClass;
-
-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;
-
-	/* This is the number of characters we can fit in, or
-	   E_CLIPPED_LABEL_NEED_RECALC if it needs to be recalculated, or
-	   E_CLIPPED_LABEL_SHOW_ENTIRE_LABEL to show the entire label. */
-	gint chars_displayed;
-
-	/* This is the x position to display the ellipsis string, e.g. '...',
-	   relative to the start of the label. */
-	gint ellipsis_x;
-};
-
-struct _EClippedLabelClass
-{
-	GtkMiscClass parent_class;
-};
-
-
-GtkType	   e_clipped_label_get_type	(void);
-GtkWidget* e_clipped_label_new		(const gchar	*text);
-
-gchar*	   e_clipped_label_get_text	(EClippedLabel	*label);
-void	   e_clipped_label_set_text	(EClippedLabel	*label,
-					 const gchar	*text);
-
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-#endif /* _E_CLIPPED_LABEL_H_ */