void
gimp_text_tool_editor_start (GimpTextTool *text_tool)
{
GimpTool *tool = GIMP_TOOL (text_tool);
GimpTextOptions *options = GIMP_TEXT_TOOL_GET_OPTIONS (text_tool);
GimpDisplayShell *shell = gimp_display_get_shell (tool->display);
gtk_im_context_set_client_window (text_tool->im_context,
gtk_widget_get_window (shell->canvas));
text_tool->needs_im_reset = TRUE;
gimp_text_tool_reset_im_context (text_tool);
gtk_im_context_focus_in (text_tool->im_context);
if (options->use_editor)
gimp_text_tool_editor_dialog (text_tool);
g_signal_connect (options, "notify::use-editor",
G_CALLBACK (gimp_text_tool_options_notify),
text_tool);
if (! text_tool->style_overlay)
{
Gimp *gimp = GIMP_CONTEXT (options)->gimp;
gdouble xres = 1.0;
gdouble yres = 1.0;
text_tool->style_overlay = gimp_overlay_frame_new ();
gtk_container_set_border_width (GTK_CONTAINER (text_tool->style_overlay),
4);
gimp_display_shell_add_overlay (shell,
text_tool->style_overlay,
0, 0,
GIMP_HANDLE_ANCHOR_CENTER, 0, 0);
gimp_overlay_box_set_child_opacity (GIMP_OVERLAY_BOX (shell->canvas),
text_tool->style_overlay, 0.7);
if (text_tool->image)
gimp_image_get_resolution (text_tool->image, &xres, &yres);
text_tool->style_editor = gimp_text_style_editor_new (gimp,
text_tool->proxy,
text_tool->buffer,
gimp->fonts,
xres, yres);
gtk_container_add (GTK_CONTAINER (text_tool->style_overlay),
text_tool->style_editor);
gtk_widget_show (text_tool->style_editor);
}
gimp_text_tool_editor_position (text_tool);
gtk_widget_show (text_tool->style_overlay);
}
void
gimp_display_shell_scroll (GimpDisplayShell *shell,
gint x_offset,
gint y_offset)
{
gint old_x;
gint old_y;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
if (x_offset == 0 && y_offset == 0)
return;
old_x = shell->offset_x;
old_y = shell->offset_y;
shell->offset_x += x_offset;
shell->offset_y += y_offset;
gimp_display_shell_scroll_clamp_offsets (shell);
/* the actual changes in offset */
x_offset = (shell->offset_x - old_x);
y_offset = (shell->offset_y - old_y);
if (x_offset || y_offset)
{
/* reset the old values so that the tool can accurately redraw */
shell->offset_x = old_x;
shell->offset_y = old_y;
gimp_display_shell_pause (shell);
/* set the offsets back to the new values */
shell->offset_x += x_offset;
shell->offset_y += y_offset;
gimp_display_shell_rotate_update_transform (shell);
gimp_overlay_box_scroll (GIMP_OVERLAY_BOX (shell->canvas),
-x_offset, -y_offset);
/* Update scrollbars and rulers */
gimp_display_shell_scale_update_scrollbars (shell);
gimp_display_shell_scale_update_rulers (shell);
gimp_display_shell_resume (shell);
gimp_display_shell_scrolled (shell);
}
}
static void
gimp_text_tool_im_preedit_start (GtkIMContext *context,
GimpTextTool *text_tool)
{
GimpTool *tool = GIMP_TOOL (text_tool);
GimpDisplayShell *shell = gimp_display_get_shell (tool->display);
GtkStyle *style = gtk_widget_get_style (shell->canvas);
GtkWidget *frame;
GtkWidget *ebox;
PangoRectangle cursor_rect = { 0, };
gint off_x, off_y;
if (text_tool->text)
gimp_text_tool_editor_get_cursor_rect (text_tool,
text_tool->overwrite_mode,
&cursor_rect);
g_object_get (text_tool, "x1", &off_x, "y1", &off_y, NULL);
text_tool->preedit_overlay = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (text_tool->preedit_overlay),
GTK_SHADOW_OUT);
gimp_display_shell_add_overlay (shell,
text_tool->preedit_overlay,
cursor_rect.x + off_x,
cursor_rect.y + off_y,
GIMP_HANDLE_ANCHOR_NORTH_WEST, 0, 0);
gimp_overlay_box_set_child_opacity (GIMP_OVERLAY_BOX (shell->canvas),
text_tool->preedit_overlay, 0.7);
gtk_widget_show (text_tool->preedit_overlay);
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
gtk_container_add (GTK_CONTAINER (text_tool->preedit_overlay), frame);
gtk_widget_show (frame);
ebox = gtk_event_box_new ();
gtk_widget_modify_bg (ebox, GTK_STATE_NORMAL,
&style->base[GTK_STATE_NORMAL]);
gtk_container_add (GTK_CONTAINER (frame), ebox);
gtk_widget_show (ebox);
text_tool->preedit_label = gtk_label_new (NULL);
gtk_widget_modify_bg (text_tool->preedit_label, GTK_STATE_NORMAL,
&style->text[GTK_STATE_NORMAL]);
gtk_misc_set_padding (GTK_MISC (text_tool->preedit_label), 2, 2);
gtk_container_add (GTK_CONTAINER (ebox), text_tool->preedit_label);
gtk_widget_show (text_tool->preedit_label);
}
/**
* gimp_display_shell_scroll:
* @shell:
* @x_offset:
* @y_offset:
*
* This function scrolls the image in the shell's viewport. It does
* actual scrolling of the pixels, so only the newly scrolled-in parts
* are freshly redrawn.
*
* Use it for incremental actual panning.
**/
void
gimp_display_shell_scroll (GimpDisplayShell *shell,
gint x_offset,
gint y_offset)
{
gint old_x;
gint old_y;
g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
if (x_offset == 0 && y_offset == 0)
return;
old_x = shell->offset_x;
old_y = shell->offset_y;
/* freeze the active tool */
gimp_display_shell_pause (shell);
shell->offset_x += x_offset;
shell->offset_y += y_offset;
gimp_display_shell_scroll_clamp_and_update (shell);
/* the actual changes in offset */
x_offset = (shell->offset_x - old_x);
y_offset = (shell->offset_y - old_y);
if (x_offset || y_offset)
{
gimp_display_shell_scrolled (shell);
gimp_overlay_box_scroll (GIMP_OVERLAY_BOX (shell->canvas),
-x_offset, -y_offset);
}
/* re-enable the active tool */
gimp_display_shell_resume (shell);
}
