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authorChris Lahey <clahey@src.gnome.org>2000-01-10 12:55:48 +0800
committerChris Lahey <clahey@src.gnome.org>2000-01-10 12:55:48 +0800
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parent380e084b6b0f856ae70751238fae86fafc9ffdb8 (diff)
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Added minicard and text stuff.
* widgets/Makefile.am: Added minicard and text stuff. * widgets/e-minicard.c, widgets/e-minicard.h, widgets/e-minicard-label.c, widgets/e-minicard-label.h: Added canvas items for the minicard view in the contact manager. * widgets/test-minicard.c, widgets/test-minicard-label.c: Tests for the minicard items. * widgets/e-text.h, widgets/e-text.c: New canvas item. Based on GnomeCanvasText. Adds ellipsis capabilities. Used in e-minicard*.[ch]. * widgets/.cvsignore: Added minicard-test and minicard-label-test. svn path=/trunk/; revision=1552
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/* EText - Text item for evolution.
+ * Copyright (C) 2000 Helix Code, Inc.
+ *
+ * Author: Chris Lahey <clahey@umich.edu>
+ *
+ * A majority of code taken from:
+ *
+ * Text item type for GnomeCanvas widget
+ *
+ * GnomeCanvas is basically a port of the Tk toolkit's most excellent
+ * canvas widget. Tk is copyrighted by the Regents of the University
+ * of California, Sun Microsystems, and other parties.
+ *
+ * Copyright (C) 1998 The Free Software Foundation
+ *
+ * Author: Federico Mena <federico@nuclecu.unam.mx> */
+
+#ifndef E_TEXT_H
+#define E_TEXT_H
+
+#include <gnome.h>
+
+
+BEGIN_GNOME_DECLS
+
+
+/* Text item for the canvas. Text items are positioned by an anchor point and an anchor direction.
+ *
+ * A clipping rectangle may be specified for the text. The rectangle is anchored at the text's anchor
+ * point, and is specified by clipping width and height parameters. If the clipping rectangle is
+ * enabled, it will clip the text.
+ *
+ * In addition, x and y offset values may be specified. These specify an offset from the anchor
+ * position. If used in conjunction with the clipping rectangle, these could be used to implement
+ * simple scrolling of the text within the clipping rectangle.
+ *
+ * The following object arguments are available:
+ *
+ * name type read/write description
+ * ------------------------------------------------------------------------------------------
+ * text string RW The string of the text label
+ * x double RW X coordinate of anchor point
+ * y double RW Y coordinate of anchor point
+ * font string W X logical font descriptor
+ * fontset string W X logical fontset descriptor
+ * font_gdk GdkFont* RW Pointer to a GdkFont
+ * anchor GtkAnchorType RW Anchor side for the text
+ * justification GtkJustification RW Justification for multiline text
+ * fill_color string W X color specification for text
+ * fill_color_gdk GdkColor* RW Pointer to an allocated GdkColor
+ * fill_stipple GdkBitmap* RW Stipple pattern for filling the text
+ * clip_width double RW Width of clip rectangle
+ * clip_height double RW Height of clip rectangle
+ * clip boolean RW Use clipping rectangle?
+ * x_offset double RW Horizontal offset distance from anchor position
+ * y_offset double RW Vertical offset distance from anchor position
+ * text_width double R Used to query the width of the rendered text
+ * text_height double R Used to query the rendered height of the text
+ *
+ * These are ignored in the AA version:
+ * use_ellipsis boolean RW Whether to use ellipsises if text gets cut off. Meaningless if clip == false.
+ * ellipsis string RW The characters to use as ellipsis. NULL = "...".
+ */
+
+#define E_TYPE_TEXT (e_text_get_type ())
+#define E_TEXT(obj) (GTK_CHECK_CAST ((obj), E_TYPE_TEXT, EText))
+#define E_TEXT_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), E_TYPE_TEXT, ETextClass))
+#define E_IS_TEXT(obj) (GTK_CHECK_TYPE ((obj), E_TYPE_TEXT))
+#define E_IS_TEXT_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), E_TYPE_TEXT))
+
+
+typedef struct _EText EText;
+typedef struct _ETextClass ETextClass;
+typedef struct _ETextSuckFont ETextSuckFont;
+typedef struct _ETextSuckChar ETextSuckChar;
+
+struct _ETextSuckChar {
+ int left_sb;
+ int right_sb;
+ int width;
+ int ascent;
+ int descent;
+ int bitmap_offset; /* in pixels */
+};
+
+struct _ETextSuckFont {
+ guchar *bitmap;
+ gint bitmap_width;
+ gint bitmap_height;
+ gint ascent;
+ ETextSuckChar chars[256];
+};
+
+struct _EText {
+ GnomeCanvasItem item;
+
+ char *text; /* Text to display */
+ gpointer lines; /* Text split into lines (private field) */
+ int num_lines; /* Number of lines of text */
+
+ double x, y; /* Position at anchor */
+ GdkFont *font; /* Font for text */
+ GtkAnchorType anchor; /* Anchor side for text */
+ GtkJustification justification; /* Justification for text */
+
+ double clip_width; /* Width of optional clip rectangle */
+ double clip_height; /* Height of optional clip rectangle */
+
+ double xofs, yofs; /* Text offset distance from anchor position */
+
+ gulong pixel; /* Fill color */
+ GdkBitmap *stipple; /* Stipple for text */
+ GdkGC *gc; /* GC for drawing text */
+
+ int cx, cy; /* Top-left canvas coordinates for text */
+ int clip_cx, clip_cy; /* Top-left canvas coordinates for clip rectangle */
+ int clip_cwidth, clip_cheight; /* Size of clip rectangle in pixels */
+ int max_width; /* Maximum width of text lines */
+ int height; /* Rendered text height in pixels */
+
+ guint clip : 1; /* Use clip rectangle? */
+
+ /* Antialiased specific stuff follows */
+ ETextSuckFont *suckfont; /* Sucked font */
+ guint32 rgba; /* RGBA color for text */
+ double affine[6]; /* The item -> canvas affine */
+
+ char *ellipsis; /* The ellipsis characters. NULL = "...". */
+ double ellipsis_width; /* The width of the ellipsis. */
+ gboolean use_ellipsis; /* Whether to use the ellipsis. */
+};
+
+struct _ETextClass {
+ GnomeCanvasItemClass parent_class;
+};
+
+
+/* Standard Gtk function */
+GtkType e_text_get_type (void);
+
+
+END_GNOME_DECLS
+
+#endif