* Copyright (c) 2000 Red Hat, Inc.
* Tk->Gtk port by Havoc Pennington
*
+ * This file can be used under your choice of two licenses, the LGPL
+ * and the original Tk license.
+ *
+ * LGPL:
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Original Tk license:
*
* This software is copyrighted by the Regents of the University of
* California, Sun Microsystems, Inc., and other parties. The
* following terms apply to all files associated with the software
* unless explicitly disclaimed in individual files.
- *
+ *
* The authors hereby grant permission to use, copy, modify,
* distribute, and license this software and its documentation for any
* purpose, provided that existing copyright notices are retained in
* software may be copyrighted by their authors and need not follow
* the licensing terms described here, provided that the new terms are
* clearly indicated on the first page of each file where they apply.
- *
+ *
* IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY
* PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
* DAMAGES ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION,
* OR ANY DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
- *
+ *
* THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND
* foregoing, the authors grant the U.S. Government and others acting
* in its behalf permission to use and distribute the software in
* accordance with the terms specified in this license.
- *
+ *
+ */
+/*
+ * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include "gtktextdisplay.h"
-#include "gtktextiterprivate.h"
+/* DO NOT go putting private headers in here. This file should only
+ * use the semi-public headers, as with gtktextview.c.
+ */
#include <pango/pango.h>
struct _GtkTextRenderState
{
GtkWidget *widget;
-
+
GtkTextAppearance *last_appearance;
+ GtkTextAppearance *last_bg_appearance;
GdkGC *fg_gc;
GdkGC *bg_gc;
GdkRectangle clip_rect;
};
static void get_item_properties (PangoItem *item,
- GtkTextAppearance **appearance);
+ GtkTextAppearance **appearance);
static GdkRegion *get_selected_clip (GtkTextRenderState *render_state,
- PangoLayout *layout,
- PangoLayoutLine *line,
- int x,
- int y,
- int height,
- int start_index,
- int end_index);
+ PangoLayout *layout,
+ PangoLayoutLine *line,
+ int x,
+ int y,
+ int height,
+ int start_index,
+ int end_index);
static GtkTextRenderState *
gtk_text_render_state_new (GtkWidget *widget,
- GdkDrawable *drawable,
- GdkRectangle *clip_rect)
+ GdkDrawable *drawable,
+ GdkRectangle *clip_rect)
{
GtkTextRenderState *state = g_new0 (GtkTextRenderState, 1);
{
gdk_gc_unref (state->fg_gc);
gdk_gc_unref (state->bg_gc);
-
+
g_free (state);
}
static void
gtk_text_render_state_set_color (GtkTextRenderState *state,
- GdkGC *gc,
- GdkColor *color)
+ GdkGC *gc,
+ GdkColor *color)
{
gdk_colormap_alloc_color (gtk_widget_get_colormap (state->widget), color, FALSE, TRUE);
gdk_gc_set_foreground (gc, color);
static void
gtk_text_render_state_update (GtkTextRenderState *state,
- GtkTextAppearance *new_appearance)
+ GtkTextAppearance *new_appearance)
{
if (!state->last_appearance ||
!gdk_color_equal (&new_appearance->fg_color, &state->last_appearance->fg_color))
gtk_text_render_state_set_color (state, state->fg_gc, &new_appearance->fg_color);
-
+
if (!state->last_appearance ||
new_appearance->fg_stipple != state->last_appearance->fg_stipple)
{
if (new_appearance->fg_stipple)
- {
- gdk_gc_set_fill(state->fg_gc, GDK_STIPPLED);
- gdk_gc_set_stipple(state->fg_gc, new_appearance->fg_stipple);
- }
+ {
+ gdk_gc_set_fill (state->fg_gc, GDK_STIPPLED);
+ gdk_gc_set_stipple (state->fg_gc, new_appearance->fg_stipple);
+ }
else
- {
- gdk_gc_set_fill(state->fg_gc, GDK_SOLID);
- }
+ {
+ gdk_gc_set_fill (state->fg_gc, GDK_SOLID);
+ }
}
-
+
if (new_appearance->draw_bg)
{
- if (!state->last_appearance ||
- !gdk_color_equal (&new_appearance->bg_color, &state->last_appearance->bg_color))
- gtk_text_render_state_set_color (state, state->bg_gc, &new_appearance->bg_color);
-
- if (!state->last_appearance ||
- new_appearance->bg_stipple != state->last_appearance->bg_stipple)
- {
- if (new_appearance->bg_stipple)
- {
- gdk_gc_set_fill(state->bg_gc, GDK_STIPPLED);
- gdk_gc_set_stipple(state->bg_gc, new_appearance->bg_stipple);
- }
- else
- {
- gdk_gc_set_fill(state->bg_gc, GDK_SOLID);
- }
- }
+ if (!state->last_bg_appearance ||
+ !gdk_color_equal (&new_appearance->bg_color, &state->last_bg_appearance->bg_color))
+ gtk_text_render_state_set_color (state, state->bg_gc, &new_appearance->bg_color);
+
+ if (!state->last_bg_appearance ||
+ new_appearance->bg_stipple != state->last_bg_appearance->bg_stipple)
+ {
+ if (new_appearance->bg_stipple)
+ {
+ gdk_gc_set_fill (state->bg_gc, GDK_STIPPLED);
+ gdk_gc_set_stipple (state->bg_gc, new_appearance->bg_stipple);
+ }
+ else
+ {
+ gdk_gc_set_fill (state->bg_gc, GDK_SOLID);
+ }
+ }
+
+ state->last_bg_appearance = new_appearance;
}
state->last_appearance = new_appearance;
}
-static void
+static void
+get_shape_extents (PangoLayoutRun *run,
+ PangoRectangle *ink_rect,
+ PangoRectangle *logical_rect)
+{
+ GSList *tmp_list = run->item->extra_attrs;
+
+ while (tmp_list)
+ {
+ PangoAttribute *attr = tmp_list->data;
+
+ if (attr->klass->type == PANGO_ATTR_SHAPE)
+ {
+ if (logical_rect)
+ *logical_rect = ((PangoAttrShape *)attr)->logical_rect;
+
+ if (ink_rect)
+ *ink_rect = ((PangoAttrShape *)attr)->ink_rect;
+
+ return;
+ }
+
+ tmp_list = tmp_list->next;
+ }
+
+ g_assert_not_reached ();
+}
+
+static void
render_layout_line (GdkDrawable *drawable,
- GtkTextRenderState *render_state,
- PangoLayoutLine *line,
- GSList **pixmap_pointer,
- int x,
- int y,
- gboolean selected)
+ GtkTextRenderState *render_state,
+ PangoLayoutLine *line,
+ GSList **shaped_pointer,
+ int x,
+ int y,
+ gboolean selected)
{
GSList *tmp_list = line->runs;
PangoRectangle overall_rect;
PangoRectangle logical_rect;
PangoRectangle ink_rect;
-
gint x_off = 0;
-
+ GdkGC *fg_gc;
+
pango_layout_line_get_extents (line, NULL, &overall_rect);
while (tmp_list)
{
PangoLayoutRun *run = tmp_list->data;
GtkTextAppearance *appearance;
+ gint risen_y;
+ gint shaped_width_pixels = 0;
+ gboolean need_ink = FALSE;
tmp_list = tmp_list->next;
get_item_properties (run->item, &appearance);
- if (appearance) /* A text segment */
- {
- GdkGC *fg_gc;
-
- if (selected)
- {
- fg_gc = render_state->widget->style->fg_gc[GTK_STATE_SELECTED];
- }
- else
- {
- gtk_text_render_state_update (render_state, appearance);
-
- fg_gc = render_state->fg_gc;
- }
-
- if (appearance->underline == PANGO_UNDERLINE_NONE && !appearance->overstrike)
- pango_glyph_string_extents (run->glyphs, run->item->analysis.font,
- NULL, &logical_rect);
- else
- pango_glyph_string_extents (run->glyphs, run->item->analysis.font,
- &ink_rect, &logical_rect);
-
- if (appearance->draw_bg && !selected)
- gdk_draw_rectangle (drawable, render_state->bg_gc, TRUE,
- x + (x_off + logical_rect.x) / PANGO_SCALE,
- y + logical_rect.y / PANGO_SCALE,
- logical_rect.width / PANGO_SCALE,
- logical_rect.height / PANGO_SCALE);
-
- gdk_draw_glyphs (drawable, fg_gc,
- run->item->analysis.font,
- x + x_off / PANGO_SCALE, y, run->glyphs);
-
- switch (appearance->underline)
- {
- case PANGO_UNDERLINE_NONE:
- break;
- case PANGO_UNDERLINE_DOUBLE:
- gdk_draw_line (drawable, fg_gc,
- x + (x_off + ink_rect.x) / PANGO_SCALE - 1, y + 4,
- x + (x_off + ink_rect.x + ink_rect.width) / PANGO_SCALE, y + 4);
- /* Fall through */
- case PANGO_UNDERLINE_SINGLE:
- gdk_draw_line (drawable, fg_gc,
- x + (x_off + ink_rect.x) / PANGO_SCALE - 1, y + 2,
- x + (x_off + ink_rect.x + ink_rect.width) / PANGO_SCALE, y + 2);
- break;
- case PANGO_UNDERLINE_LOW:
- gdk_draw_line (drawable, fg_gc,
- x + (x_off + ink_rect.x) / PANGO_SCALE - 1, y + (ink_rect.y + ink_rect.height) / PANGO_SCALE + 2,
- x + (x_off + ink_rect.x + ink_rect.width) / PANGO_SCALE, y + (ink_rect.y + ink_rect.height) / PANGO_SCALE + 2);
- break;
- }
-
- if (appearance->overstrike)
- {
- gint overstrike_y = y + (0.3 * logical_rect.y) / PANGO_SCALE;
- gdk_draw_line (drawable, fg_gc,
- x + (x_off + ink_rect.x) / PANGO_SCALE - 1, overstrike_y,
- x + (x_off + ink_rect.x + ink_rect.width) / PANGO_SCALE, overstrike_y);
- }
-
- x_off += logical_rect.width;
- }
- else /* Pixmap segment */
- {
- GtkTextPixmap *pixmap = (*pixmap_pointer)->data;
- gint width, height;
- GdkRectangle pixmap_rect, draw_rect;
-
- *pixmap_pointer = (*pixmap_pointer)->next;
-
- gdk_drawable_get_size (pixmap->pixmap, &width, &height);
-
- pixmap_rect.x = x + x_off / PANGO_SCALE;
- pixmap_rect.y = y - height;
- pixmap_rect.width = width;
- pixmap_rect.height = height;
-
- gdk_rectangle_intersect (&pixmap_rect, &render_state->clip_rect, &draw_rect);
-
- if (pixmap->mask)
- {
- gdk_gc_set_clip_mask (render_state->fg_gc, pixmap->mask);
- gdk_gc_set_clip_origin (render_state->fg_gc,
- pixmap_rect.x, pixmap_rect.y);
- }
-
- gdk_draw_drawable (drawable, render_state->fg_gc, pixmap->pixmap,
- draw_rect.x - pixmap_rect.x, draw_rect.y - pixmap_rect.y,
- draw_rect.x, draw_rect.y, draw_rect.width, draw_rect.height);
-
- if (pixmap->mask)
- gdk_gc_set_clip_rectangle (render_state->fg_gc, &render_state->clip_rect);
-
- x_off += width * PANGO_SCALE;
- }
+ g_assert (appearance != NULL);
+
+ risen_y = y - PANGO_PIXELS (appearance->rise);
+
+ if (selected)
+ {
+ fg_gc = render_state->widget->style->fg_gc[GTK_STATE_SELECTED];
+ }
+ else
+ {
+ gtk_text_render_state_update (render_state, appearance);
+
+ fg_gc = render_state->fg_gc;
+ }
+
+ if (appearance->underline != PANGO_UNDERLINE_NONE ||
+ appearance->strikethrough)
+ need_ink = TRUE;
+
+ if (appearance->is_text)
+ {
+ if (need_ink)
+ pango_glyph_string_extents (run->glyphs, run->item->analysis.font,
+ &ink_rect, &logical_rect);
+ else
+ pango_glyph_string_extents (run->glyphs, run->item->analysis.font,
+ NULL, &logical_rect);
+ }
+ else
+ {
+ if (need_ink)
+ get_shape_extents (run, &ink_rect, &logical_rect);
+ else
+ get_shape_extents (run, NULL, &logical_rect);
+ }
+
+ if (appearance->draw_bg && !selected)
+ gdk_draw_rectangle (drawable, render_state->bg_gc, TRUE,
+ x + PANGO_PIXELS (x_off) + PANGO_PIXELS (logical_rect.x),
+ risen_y + PANGO_PIXELS (logical_rect.y),
+ PANGO_PIXELS (logical_rect.width),
+ PANGO_PIXELS (logical_rect.height));
+
+ if (appearance->is_text)
+ gdk_draw_glyphs (drawable, fg_gc,
+ run->item->analysis.font,
+ x + PANGO_PIXELS (x_off),
+ risen_y, run->glyphs);
+ else
+ {
+ GObject *shaped = (*shaped_pointer)->data;
+
+ *shaped_pointer = (*shaped_pointer)->next;
+
+ if (GDK_IS_PIXBUF (shaped))
+ {
+ gint width, height;
+ GdkRectangle pixbuf_rect, draw_rect;
+ GdkPixbuf *pixbuf;
+
+ pixbuf = GDK_PIXBUF (shaped);
+
+ width = gdk_pixbuf_get_width (pixbuf);
+ height = gdk_pixbuf_get_height (pixbuf);
+
+ pixbuf_rect.x = x + x_off / PANGO_SCALE;
+ pixbuf_rect.y = risen_y - height;
+ pixbuf_rect.width = width;
+ pixbuf_rect.height = height;
+
+ if (gdk_rectangle_intersect (&pixbuf_rect, &render_state->clip_rect,
+ &draw_rect))
+ {
+ GdkBitmap *mask = NULL;
+
+ if (gdk_pixbuf_get_has_alpha (pixbuf))
+ {
+ mask = gdk_pixmap_new (drawable,
+ gdk_pixbuf_get_width (pixbuf),
+ gdk_pixbuf_get_height (pixbuf),
+ 1);
+
+ gdk_pixbuf_render_threshold_alpha (pixbuf, mask,
+ 0, 0, 0, 0,
+ gdk_pixbuf_get_width (pixbuf),
+ gdk_pixbuf_get_height (pixbuf),
+ 128);
+
+ }
+
+ if (mask)
+ {
+ gdk_gc_set_clip_mask (render_state->fg_gc, mask);
+ gdk_gc_set_clip_origin (render_state->fg_gc,
+ pixbuf_rect.x, pixbuf_rect.y);
+ }
+
+ gdk_pixbuf_render_to_drawable (pixbuf,
+ drawable,
+ render_state->fg_gc,
+ draw_rect.x - pixbuf_rect.x,
+ draw_rect.y - pixbuf_rect.y,
+ draw_rect.x, draw_rect.y,
+ draw_rect.width,
+ draw_rect.height,
+ GDK_RGB_DITHER_NORMAL,
+ 0, 0);
+
+ if (mask)
+ {
+ gdk_gc_set_clip_rectangle (render_state->fg_gc,
+ &render_state->clip_rect);
+ g_object_unref (G_OBJECT (mask));
+ }
+ }
+
+ shaped_width_pixels = width;
+ }
+ else if (GTK_IS_WIDGET (shaped))
+ {
+ gint width, height;
+ GdkRectangle draw_rect;
+ GtkWidget *widget;
+
+ widget = GTK_WIDGET (shaped);
+
+ width = widget->allocation.width;
+ height = widget->allocation.height;
+
+ g_print ("widget allocation at %d,%d %d x %d\n",
+ widget->allocation.x,
+ widget->allocation.y,
+ widget->allocation.width,
+ widget->allocation.height);
+
+ if (GTK_WIDGET_DRAWABLE (widget) &&
+ gdk_rectangle_intersect (&widget->allocation,
+ &render_state->clip_rect,
+ &draw_rect))
+
+ {
+ g_print ("drawing widget area %d,%d %d x %d\n",
+ draw_rect.x,
+ draw_rect.y,
+ draw_rect.width,
+ draw_rect.height);
+
+ gtk_widget_draw (widget, &draw_rect);
+ }
+
+ shaped_width_pixels = width;
+ }
+ else
+ g_assert_not_reached (); /* not a pixbuf or widget */
+ }
+
+ switch (appearance->underline)
+ {
+ case PANGO_UNDERLINE_NONE:
+ break;
+ case PANGO_UNDERLINE_DOUBLE:
+ g_assert (need_ink);
+ gdk_draw_line (drawable, fg_gc,
+ x + (x_off + ink_rect.x) / PANGO_SCALE - 1,
+ risen_y + 3,
+ x + (x_off + ink_rect.x + ink_rect.width) / PANGO_SCALE,
+ risen_y + 3);
+ /* Fall through */
+ case PANGO_UNDERLINE_SINGLE:
+ g_assert (need_ink);
+ gdk_draw_line (drawable, fg_gc,
+ x + (x_off + ink_rect.x) / PANGO_SCALE - 1,
+ risen_y + 1,
+ x + (x_off + ink_rect.x + ink_rect.width) / PANGO_SCALE,
+ risen_y + 1);
+ break;
+ case PANGO_UNDERLINE_LOW:
+ g_assert (need_ink);
+ gdk_draw_line (drawable, fg_gc,
+ x + (x_off + ink_rect.x) / PANGO_SCALE - 1,
+ risen_y + (ink_rect.y + ink_rect.height) / PANGO_SCALE + 1,
+ x + (x_off + ink_rect.x + ink_rect.width) / PANGO_SCALE,
+ risen_y + (ink_rect.y + ink_rect.height) / PANGO_SCALE + 1);
+ break;
+ }
+
+ if (appearance->strikethrough)
+ {
+ gint strikethrough_y = risen_y + (0.3 * logical_rect.y) / PANGO_SCALE;
+
+ g_assert (need_ink);
+
+ gdk_draw_line (drawable, fg_gc,
+ x + (x_off + ink_rect.x) / PANGO_SCALE - 1, strikethrough_y,
+ x + (x_off + ink_rect.x + ink_rect.width) / PANGO_SCALE, strikethrough_y);
+ }
+
+ if (appearance->is_text)
+ x_off += logical_rect.width;
+ else
+ x_off += shaped_width_pixels * PANGO_SCALE;
}
}
-static void
+static void
render_para (GdkDrawable *drawable,
- GtkTextRenderState *render_state,
- GtkTextLineDisplay *line_display,
- int x,
- int y,
- int selection_start_index,
- int selection_end_index)
+ GtkTextRenderState *render_state,
+ GtkTextLineDisplay *line_display,
+ /* Top-left corner of paragraph including all margins */
+ int x,
+ int y,
+ int selection_start_index,
+ int selection_end_index)
{
- PangoRectangle logical_rect;
- GSList *pixmap_pointer = line_display->pixmaps;
- GSList *tmp_list;
- PangoAlignment align;
+ GSList *shaped_pointer = line_display->shaped_objects;
PangoLayout *layout = line_display->layout;
- int indent;
- int total_width;
- int y_offset = 0;
- int byte_offset = 0;
-
- gboolean first = TRUE;
+ int byte_offset = 0;
+ PangoLayoutIter *iter;
+ PangoRectangle layout_logical;
+ int screen_width;
- indent = pango_layout_get_indent (layout);
- total_width = pango_layout_get_width (layout);
- align = pango_layout_get_alignment (layout);
+ gboolean first = TRUE;
- if (total_width < 0)
- total_width = line_display->total_width * PANGO_SCALE;
+ iter = pango_layout_get_iter (layout);
- tmp_list = pango_layout_get_lines (layout);
- while (tmp_list)
+ pango_layout_iter_get_layout_extents (iter, NULL, &layout_logical);
+
+ /* Adjust for margins */
+
+ layout_logical.x += line_display->x_offset * PANGO_SCALE;
+ layout_logical.y += line_display->top_margin * PANGO_SCALE;
+
+ screen_width = line_display->total_width;
+
+ do
{
- PangoLayoutLine *line = tmp_list->data;
- int x_offset;
+ PangoLayoutLine *line = pango_layout_iter_get_line (iter);
int selection_y, selection_height;
+ int first_y, last_y;
+ PangoRectangle line_rect;
+ int baseline;
- pango_layout_line_get_extents (line, NULL, &logical_rect);
-
- x_offset = line_display->left_margin * PANGO_SCALE;
-
- switch (align)
- {
- case PANGO_ALIGN_RIGHT:
- x_offset += total_width - logical_rect.width;
- break;
- case PANGO_ALIGN_CENTER:
- x_offset += (total_width - logical_rect.width) / 2;
- break;
- default:
- break;
- }
+ pango_layout_iter_get_line_extents (iter, NULL, &line_rect);
+ baseline = pango_layout_iter_get_baseline (iter);
+ pango_layout_iter_get_line_yrange (iter, &first_y, &last_y);
+
+ /* Adjust for margins */
- if (first)
- {
- if (indent > 0)
- {
- if (align == PANGO_ALIGN_LEFT)
- x_offset += indent;
- else
- x_offset -= indent;
- }
- }
- else
- {
- if (indent < 0)
- {
- if (align == PANGO_ALIGN_LEFT)
- x_offset -= indent;
- else
- x_offset += indent;
- }
- }
-
- selection_y = y + y_offset / PANGO_SCALE;
- selection_height = logical_rect.height / PANGO_SCALE;
+ line_rect.x += line_display->x_offset * PANGO_SCALE;
+ line_rect.y += line_display->top_margin * PANGO_SCALE;
+ baseline += line_display->top_margin * PANGO_SCALE;
- if (first)
- {
- selection_y -= line_display->top_margin;
- selection_height += line_display->top_margin;
- }
- if (!tmp_list->next)
- selection_height += line_display->bottom_margin;
+ /* Selection is the height of the line, plus top/bottom
+ * margin if we're the first/last line
+ */
+ selection_y = y + PANGO_PIXELS (first_y) + line_display->top_margin;
+ selection_height = PANGO_PIXELS (last_y) - PANGO_PIXELS (first_y);
- first = FALSE;
+ if (first)
+ {
+ selection_y -= line_display->top_margin;
+ selection_height += line_display->top_margin;
+ }
+ if (pango_layout_iter_at_last_line (iter))
+ selection_height += line_display->bottom_margin;
+
+ first = FALSE;
+
if (selection_start_index < byte_offset &&
- selection_end_index > line->length + byte_offset) /* All selected */
- {
- gdk_draw_rectangle (drawable,
- render_state->widget->style->bg_gc[GTK_STATE_SELECTED],
- TRUE,
- x + line_display->left_margin, selection_y,
- total_width / PANGO_SCALE, selection_height);
- render_layout_line (drawable, render_state, line, &pixmap_pointer,
- x + x_offset / PANGO_SCALE, y + (y_offset - logical_rect.y) / PANGO_SCALE,
- TRUE);
- }
+ selection_end_index > line->length + byte_offset) /* All selected */
+ {
+ gdk_draw_rectangle (drawable,
+ render_state->widget->style->bg_gc[GTK_STATE_SELECTED],
+ TRUE,
+ x + line_display->left_margin,
+ selection_y,
+ screen_width,
+ selection_height);
+
+ render_layout_line (drawable, render_state, line, &shaped_pointer,
+ x + PANGO_PIXELS (line_rect.x),
+ y + PANGO_PIXELS (baseline),
+ TRUE);
+ }
else
- {
- GSList *pixmap_pointer_tmp = pixmap_pointer;
-
- render_layout_line (drawable, render_state, line, &pixmap_pointer,
- x + x_offset / PANGO_SCALE, y + (y_offset - logical_rect.y) / PANGO_SCALE,
- FALSE);
-
- if (selection_start_index < byte_offset + line->length &&
- selection_end_index > byte_offset) /* Some selected */
- {
- GdkRegion *clip_region = get_selected_clip (render_state, layout, line,
- x + line_display->x_offset,
- selection_y, selection_height,
- selection_start_index, selection_end_index);
-
- gdk_gc_set_clip_region (render_state->widget->style->fg_gc [GTK_STATE_SELECTED], clip_region);
- gdk_gc_set_clip_region (render_state->widget->style->bg_gc [GTK_STATE_SELECTED], clip_region);
-
- gdk_draw_rectangle (drawable,
- render_state->widget->style->bg_gc[GTK_STATE_SELECTED],
- TRUE,
- x + x_offset / PANGO_SCALE, selection_y,
- logical_rect.width / PANGO_SCALE,
- selection_height);
-
- render_layout_line (drawable, render_state, line, &pixmap_pointer_tmp,
- x + x_offset / PANGO_SCALE, y + (y_offset - logical_rect.y) / PANGO_SCALE,
- TRUE);
-
- gdk_gc_set_clip_region (render_state->widget->style->fg_gc [GTK_STATE_SELECTED], NULL);
- gdk_gc_set_clip_region (render_state->widget->style->bg_gc [GTK_STATE_SELECTED], NULL);
-
- gdk_region_destroy (clip_region);
-
- /* Paint in the ends of the line */
- if (x_offset > line_display->left_margin * PANGO_SCALE &&
- ((line_display->direction == GTK_TEXT_DIR_LTR && selection_start_index < byte_offset) ||
- (line_display->direction == GTK_TEXT_DIR_RTL && selection_end_index > byte_offset + line->length)))
- {
- gdk_draw_rectangle (drawable,
- render_state->widget->style->bg_gc[GTK_STATE_SELECTED],
- TRUE,
- x + line_display->left_margin, selection_y,
- x + x_offset / PANGO_SCALE - line_display->left_margin,
- selection_height);
- }
-
- if (x_offset + logical_rect.width < line_display->left_margin * PANGO_SCALE + total_width &&
- ((line_display->direction == GTK_TEXT_DIR_LTR && selection_end_index > byte_offset + line->length) ||
- (line_display->direction == GTK_TEXT_DIR_RTL && selection_start_index < byte_offset)))
- {
-
-
- gdk_draw_rectangle (drawable,
- render_state->widget->style->bg_gc[GTK_STATE_SELECTED],
- TRUE,
- x + (x_offset + logical_rect.width) / PANGO_SCALE,
- selection_y,
- x + (line_display->left_margin * PANGO_SCALE + total_width - x_offset - logical_rect.width) / PANGO_SCALE,
- selection_height);
- }
- }
- }
+ {
+ GSList *shaped_pointer_tmp = shaped_pointer;
+
+ render_layout_line (drawable, render_state,
+ line, &shaped_pointer,
+ x + PANGO_PIXELS (line_rect.x),
+ y + PANGO_PIXELS (baseline),
+ FALSE);
+
+ if (selection_start_index < byte_offset + line->length &&
+ selection_end_index > byte_offset) /* Some selected */
+ {
+ GdkRegion *clip_region = get_selected_clip (render_state, layout, line,
+ x + line_display->x_offset,
+ selection_y,
+ selection_height,
+ selection_start_index, selection_end_index);
+
+ gdk_gc_set_clip_region (render_state->widget->style->fg_gc [GTK_STATE_SELECTED], clip_region);
+ gdk_gc_set_clip_region (render_state->widget->style->bg_gc [GTK_STATE_SELECTED], clip_region);
+
+ gdk_draw_rectangle (drawable,
+ render_state->widget->style->bg_gc[GTK_STATE_SELECTED],
+ TRUE,
+ x + PANGO_PIXELS (line_rect.x),
+ selection_y,
+ PANGO_PIXELS (line_rect.width),
+ selection_height);
+
+ render_layout_line (drawable, render_state, line, &shaped_pointer_tmp,
+ x + PANGO_PIXELS (line_rect.x),
+ y + PANGO_PIXELS (baseline),
+ TRUE);
+
+ gdk_gc_set_clip_region (render_state->widget->style->fg_gc [GTK_STATE_SELECTED], NULL);
+ gdk_gc_set_clip_region (render_state->widget->style->bg_gc [GTK_STATE_SELECTED], NULL);
+
+ gdk_region_destroy (clip_region);
+
+ /* Paint in the ends of the line */
+ if (line_rect.x > line_display->left_margin * PANGO_SCALE &&
+ ((line_display->direction == GTK_TEXT_DIR_LTR && selection_start_index < byte_offset) ||
+ (line_display->direction == GTK_TEXT_DIR_RTL && selection_end_index > byte_offset + line->length)))
+ {
+ gdk_draw_rectangle (drawable,
+ render_state->widget->style->bg_gc[GTK_STATE_SELECTED],
+ TRUE,
+ x + line_display->left_margin,
+ selection_y,
+ PANGO_PIXELS (line_rect.x) - line_display->left_margin,
+ selection_height);
+ }
+
+ if (line_rect.x + line_rect.width <
+ (screen_width + line_display->left_margin) * PANGO_SCALE &&
+ ((line_display->direction == GTK_TEXT_DIR_LTR && selection_end_index > byte_offset + line->length) ||
+ (line_display->direction == GTK_TEXT_DIR_RTL && selection_start_index < byte_offset)))
+ {
+ int nonlayout_width;
+
+ nonlayout_width =
+ line_display->left_margin + screen_width -
+ PANGO_PIXELS (line_rect.x) - PANGO_PIXELS (line_rect.width);
+
+ gdk_draw_rectangle (drawable,
+ render_state->widget->style->bg_gc[GTK_STATE_SELECTED],
+ TRUE,
+ x + PANGO_PIXELS (line_rect.x) + PANGO_PIXELS (line_rect.width),
+ selection_y,
+ nonlayout_width,
+ selection_height);
+ }
+ }
+ }
byte_offset += line->length;
- y_offset += logical_rect.height;
- tmp_list = tmp_list->next;
}
+ while (pango_layout_iter_next_line (iter));
+
+ pango_layout_iter_free (iter);
}
static GdkRegion *
get_selected_clip (GtkTextRenderState *render_state,
- PangoLayout *layout,
- PangoLayoutLine *line,
- int x,
- int y,
- int height,
- int start_index,
- int end_index)
+ PangoLayout *layout,
+ PangoLayoutLine *line,
+ int x,
+ int y,
+ int height,
+ int start_index,
+ int end_index)
{
gint *ranges;
gint n_ranges, i;
GdkRegion *clip_region = gdk_region_new ();
GdkRegion *tmp_region;
- PangoRectangle logical_rect;
- pango_layout_line_get_extents (line, NULL, &logical_rect);
pango_layout_line_get_x_ranges (line, start_index, end_index, &ranges, &n_ranges);
for (i=0; i < n_ranges; i++)
{
GdkRectangle rect;
- rect.x = x + ranges[2*i] / PANGO_SCALE;
+ rect.x = x + PANGO_PIXELS (ranges[2*i]);
rect.y = y;
- rect.width = (ranges[2*i + 1] - ranges[2*i]) / PANGO_SCALE;
+ rect.width = PANGO_PIXELS (ranges[2*i + 1]) - PANGO_PIXELS (ranges[2*i]);
rect.height = height;
-
+
gdk_region_union_with_rect (clip_region, &rect);
}
static void
get_item_properties (PangoItem *item,
- GtkTextAppearance **appearance)
+ GtkTextAppearance **appearance)
{
GSList *tmp_list = item->extra_attrs;
-
+
*appearance = NULL;
-
+
while (tmp_list)
{
PangoAttribute *attr = tmp_list->data;
if (attr->klass->type == gtk_text_attr_appearance_type)
- {
- *appearance = &((GtkTextAttrAppearance *)attr)->appearance;
- }
+ {
+ *appearance = &((GtkTextAttrAppearance *)attr)->appearance;
+ }
tmp_list = tmp_list->next;
}
void
gtk_text_layout_draw (GtkTextLayout *layout,
- GtkWidget *widget,
- GdkDrawable *drawable,
- /* Location of the layout
- in buffer coordinates */
- gint x_offset,
- gint y_offset,
- /* Region of the layout to
- render */
- gint x,
- gint y,
- gint width,
- gint height)
+ GtkWidget *widget,
+ GdkDrawable *drawable,
+ /* Location of the drawable
+ in layout coordinates */
+ gint x_offset,
+ gint y_offset,
+ /* Region of the layout to
+ render */
+ gint x,
+ gint y,
+ gint width,
+ gint height)
{
GdkRectangle clip;
gint current_y;
- GSList *line_list;
- GSList *tmp_list;
GSList *cursor_list;
GtkTextRenderState *render_state;
GtkTextIter selection_start, selection_end;
gboolean have_selection = FALSE;
+ GSList *line_list;
+ GSList *tmp_list;
g_return_if_fail (GTK_IS_TEXT_LAYOUT (layout));
g_return_if_fail (layout->default_style != NULL);
gdk_gc_set_clip_rectangle (render_state->bg_gc, &clip);
gtk_text_layout_wrap_loop_start (layout);
-
+
if (gtk_text_buffer_get_selection_bounds (layout->buffer,
- &selection_start,
- &selection_end))
+ &selection_start,
+ &selection_end))
have_selection = TRUE;
-
+
tmp_list = line_list;
while (tmp_list != NULL)
{
gint selection_end_index = -1;
GtkTextLine *line = tmp_list->data;
-
- line_display = gtk_text_layout_get_line_display (layout, line, FALSE);
+ line_display = gtk_text_layout_get_line_display (layout, line, FALSE);
+
if (have_selection)
- {
- GtkTextIter line_start, line_end;
- gint byte_count = gtk_text_line_byte_count (line);
-
- gtk_text_btree_get_iter_at_line (_gtk_text_buffer_get_btree (layout->buffer),
- &line_start,
- line, 0);
- gtk_text_btree_get_iter_at_line (_gtk_text_buffer_get_btree (layout->buffer),
- &line_end,
- line, byte_count - 1);
-
- if (gtk_text_iter_compare (&selection_start, &line_end) < 0 &&
- gtk_text_iter_compare (&selection_end, &line_start) > 0)
- {
- if (gtk_text_iter_compare (&selection_start, &line_start) >= 0)
- selection_start_index = gtk_text_iter_get_line_index (&selection_start);
- else
- selection_start_index = -1;
-
- if (gtk_text_iter_compare (&selection_end, &line_end) <= 0)
- selection_end_index = gtk_text_iter_get_line_index (&selection_end);
- else
- selection_end_index = byte_count;
- }
- }
-
+ {
+ GtkTextIter line_start, line_end;
+ gint byte_count;
+
+ gtk_text_layout_get_iter_at_line (layout,
+ &line_start,
+ line, 0);
+ byte_count = gtk_text_iter_get_bytes_in_line (&line_start);
+
+ /* FIXME the -1 assumes a newline I think */
+ gtk_text_layout_get_iter_at_line (layout,
+ &line_end,
+ line, byte_count - 1);
+
+ if (gtk_text_iter_compare (&selection_start, &line_end) < 0 &&
+ gtk_text_iter_compare (&selection_end, &line_start) > 0)
+ {
+ if (gtk_text_iter_compare (&selection_start, &line_start) >= 0)
+ selection_start_index = gtk_text_iter_get_line_index (&selection_start);
+ else
+ selection_start_index = -1;
+
+ if (gtk_text_iter_compare (&selection_end, &line_end) <= 0)
+ selection_end_index = gtk_text_iter_get_line_index (&selection_end);
+ else
+ selection_end_index = byte_count;
+ }
+ }
+
render_para (drawable, render_state, line_display,
- - x_offset,
- current_y + line_display->top_margin,
- selection_start_index, selection_end_index);
+ - x_offset,
+ current_y,
+ selection_start_index, selection_end_index);
+
-
/* We paint the cursors last, because they overlap another chunk
and need to appear on top. */
cursor_list = line_display->cursors;
while (cursor_list)
- {
- GtkTextCursorDisplay *cursor = cursor_list->data;
- GdkGC *gc;
-
- if (cursor->is_strong)
- gc = widget->style->bg_gc[GTK_STATE_SELECTED];
- else
- gc = widget->style->fg_gc[GTK_STATE_NORMAL];
-
- gdk_draw_line (drawable, gc,
- line_display->x_offset + cursor->x,
- current_y + line_display->top_margin + cursor->y,
- line_display->x_offset + cursor->x,
- current_y + line_display->top_margin + cursor->y + cursor->height);
-
- cursor_list = cursor_list->next;
- }
+ {
+ GtkTextCursorDisplay *cursor = cursor_list->data;
+ GdkGC *gc;
+
+ if (cursor->is_strong)
+ gc = widget->style->bg_gc[GTK_STATE_SELECTED];
+ else
+ gc = widget->style->fg_gc[GTK_STATE_NORMAL];
+
+ gdk_draw_line (drawable, gc,
+ line_display->x_offset + cursor->x - x_offset,
+ current_y + line_display->top_margin + cursor->y,
+ line_display->x_offset + cursor->x - x_offset,
+ current_y + line_display->top_margin + cursor->y + cursor->height - 1);
+
+ cursor_list = cursor_list->next;
+ }
current_y += line_display->height;
gtk_text_layout_free_line_display (layout, line_display);
+ render_state->last_appearance = NULL;
+ render_state->last_bg_appearance = NULL;
tmp_list = g_slist_next (tmp_list);
}
projects / ~andy / gtk / blobdiff