diff options
Diffstat (limited to 'app/widgets/gimptexteditor.c')
| -rw-r--r-- | app/widgets/gimptexteditor.c | 368 |
1 files changed, 368 insertions, 0 deletions
diff --git a/app/widgets/gimptexteditor.c b/app/widgets/gimptexteditor.c new file mode 100644 index 0000000..d983b32 --- /dev/null +++ b/app/widgets/gimptexteditor.c @@ -0,0 +1,368 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * GimpTextEditor + * Copyright (C) 2002-2003, 2008 Sven Neumann <sven@gimp.org> + * + * 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 3 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, see <https://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <gegl.h> +#include <gtk/gtk.h> + +#include "libgimpwidgets/gimpwidgets.h" + +#include "widgets-types.h" + +#include "core/gimp.h" +#include "core/gimpdatafactory.h" +#include "core/gimpmarshal.h" + +#include "text/gimptext.h" + +#include "gimphelp-ids.h" +#include "gimpmenufactory.h" +#include "gimptextbuffer.h" +#include "gimptexteditor.h" +#include "gimptextstyleeditor.h" +#include "gimpuimanager.h" + +#include "gimp-intl.h" + + +enum +{ + TEXT_CHANGED, + DIR_CHANGED, + LAST_SIGNAL +}; + + +static void gimp_text_editor_finalize (GObject *object); + +static void gimp_text_editor_text_changed (GtkTextBuffer *buffer, + GimpTextEditor *editor); +static void gimp_text_editor_font_toggled (GtkToggleButton *button, + GimpTextEditor *editor); + + +G_DEFINE_TYPE (GimpTextEditor, gimp_text_editor, GIMP_TYPE_DIALOG) + +#define parent_class gimp_text_editor_parent_class + +static guint text_editor_signals[LAST_SIGNAL] = { 0 }; + + +static void +gimp_text_editor_class_init (GimpTextEditorClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->finalize = gimp_text_editor_finalize; + + klass->text_changed = NULL; + klass->dir_changed = NULL; + + text_editor_signals[TEXT_CHANGED] = + g_signal_new ("text-changed", + G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GimpTextEditorClass, text_changed), + NULL, NULL, + gimp_marshal_VOID__VOID, + G_TYPE_NONE, 0); + + text_editor_signals[DIR_CHANGED] = + g_signal_new ("dir-changed", + G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GimpTextEditorClass, dir_changed), + NULL, NULL, + gimp_marshal_VOID__VOID, + G_TYPE_NONE, 0); +} + +static void +gimp_text_editor_init (GimpTextEditor *editor) +{ + editor->view = NULL; + editor->file_dialog = NULL; + editor->ui_manager = NULL; + + switch (gtk_widget_get_default_direction ()) + { + case GTK_TEXT_DIR_NONE: + case GTK_TEXT_DIR_LTR: + editor->base_dir = GIMP_TEXT_DIRECTION_LTR; + break; + case GTK_TEXT_DIR_RTL: + editor->base_dir = GIMP_TEXT_DIRECTION_RTL; + break; + } +} + +static void +gimp_text_editor_finalize (GObject *object) +{ + GimpTextEditor *editor = GIMP_TEXT_EDITOR (object); + + g_clear_pointer (&editor->font_name, g_free); + g_clear_object (&editor->ui_manager); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + + +/* public functions */ + +GtkWidget * +gimp_text_editor_new (const gchar *title, + GtkWindow *parent, + Gimp *gimp, + GimpMenuFactory *menu_factory, + GimpText *text, + GimpTextBuffer *text_buffer, + gdouble xres, + gdouble yres) +{ + GimpTextEditor *editor; + GtkWidget *content_area; + GtkWidget *toolbar; + GtkWidget *style_editor; + GtkWidget *scrolled_window; + + g_return_val_if_fail (title != NULL, NULL); + g_return_val_if_fail (parent == NULL || GTK_IS_WINDOW (parent), NULL); + g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL); + g_return_val_if_fail (GIMP_IS_MENU_FACTORY (menu_factory), NULL); + g_return_val_if_fail (GIMP_IS_TEXT (text), NULL); + g_return_val_if_fail (GIMP_IS_TEXT_BUFFER (text_buffer), NULL); + + editor = g_object_new (GIMP_TYPE_TEXT_EDITOR, + "title", title, + "role", "gimp-text-editor", + "transient-for", parent, + "help-func", gimp_standard_help_func, + "help-id", GIMP_HELP_TEXT_EDITOR_DIALOG, + NULL); + + gtk_dialog_add_button (GTK_DIALOG (editor), + _("_Close"), GTK_RESPONSE_CLOSE); + + g_signal_connect (editor, "response", + G_CALLBACK (gtk_widget_destroy), + NULL); + + g_signal_connect_object (text_buffer, "changed", + G_CALLBACK (gimp_text_editor_text_changed), + editor, 0); + + editor->ui_manager = gimp_menu_factory_manager_new (menu_factory, + "<TextEditor>", + editor, FALSE); + + content_area = gtk_dialog_get_content_area (GTK_DIALOG (editor)); + + toolbar = gimp_ui_manager_get_widget (editor->ui_manager, + "/text-editor-toolbar"); + + if (toolbar) + { + gtk_box_pack_start (GTK_BOX (content_area), toolbar, FALSE, FALSE, 0); + gtk_widget_show (toolbar); + } + + style_editor = gimp_text_style_editor_new (gimp, text, text_buffer, + gimp_data_factory_get_container (gimp->font_factory), + xres, yres); + gtk_box_pack_start (GTK_BOX (content_area), style_editor, FALSE, FALSE, 0); + gtk_widget_show (style_editor); + + scrolled_window = gtk_scrolled_window_new (NULL, NULL); + gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window), + GTK_POLICY_AUTOMATIC, + GTK_POLICY_AUTOMATIC); + gtk_container_set_border_width (GTK_CONTAINER (scrolled_window), 2); + gtk_box_pack_start (GTK_BOX (content_area), scrolled_window, TRUE, TRUE, 0); + gtk_widget_show (scrolled_window); + + editor->view = gtk_text_view_new_with_buffer (GTK_TEXT_BUFFER (text_buffer)); + gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (editor->view), + GTK_WRAP_WORD_CHAR); + gtk_container_add (GTK_CONTAINER (scrolled_window), editor->view); + gtk_widget_show (editor->view); + + switch (editor->base_dir) + { + case GIMP_TEXT_DIRECTION_LTR: + case GIMP_TEXT_DIRECTION_TTB_RTL: + case GIMP_TEXT_DIRECTION_TTB_RTL_UPRIGHT: + case GIMP_TEXT_DIRECTION_TTB_LTR: + case GIMP_TEXT_DIRECTION_TTB_LTR_UPRIGHT: + gtk_widget_set_direction (editor->view, GTK_TEXT_DIR_LTR); + break; + case GIMP_TEXT_DIRECTION_RTL: + gtk_widget_set_direction (editor->view, GTK_TEXT_DIR_RTL); + break; + } + + gtk_widget_set_size_request (editor->view, 200, 64); + + editor->font_toggle = + gtk_check_button_new_with_mnemonic (_("_Use selected font")); + gtk_box_pack_start (GTK_BOX (content_area), editor->font_toggle, + FALSE, FALSE, 0); + gtk_widget_show (editor->font_toggle); + + g_signal_connect (editor->font_toggle, "toggled", + G_CALLBACK (gimp_text_editor_font_toggled), + editor); + + gtk_widget_grab_focus (editor->view); + + gimp_ui_manager_update (editor->ui_manager, editor); + + return GTK_WIDGET (editor); +} + +void +gimp_text_editor_set_text (GimpTextEditor *editor, + const gchar *text, + gint len) +{ + GtkTextBuffer *buffer; + + g_return_if_fail (GIMP_IS_TEXT_EDITOR (editor)); + g_return_if_fail (text != NULL || len == 0); + + buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (editor->view)); + + if (text) + gtk_text_buffer_set_text (buffer, text, len); + else + gtk_text_buffer_set_text (buffer, "", 0); +} + +gchar * +gimp_text_editor_get_text (GimpTextEditor *editor) +{ + GtkTextBuffer *buffer; + + g_return_val_if_fail (GIMP_IS_TEXT_EDITOR (editor), NULL); + + buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (editor->view)); + + return gimp_text_buffer_get_text (GIMP_TEXT_BUFFER (buffer)); +} + +void +gimp_text_editor_set_direction (GimpTextEditor *editor, + GimpTextDirection base_dir) +{ + g_return_if_fail (GIMP_IS_TEXT_EDITOR (editor)); + + if (editor->base_dir == base_dir) + return; + + editor->base_dir = base_dir; + + if (editor->view) + { + switch (editor->base_dir) + { + case GIMP_TEXT_DIRECTION_LTR: + case GIMP_TEXT_DIRECTION_TTB_RTL: + case GIMP_TEXT_DIRECTION_TTB_RTL_UPRIGHT: + case GIMP_TEXT_DIRECTION_TTB_LTR: + case GIMP_TEXT_DIRECTION_TTB_LTR_UPRIGHT: + gtk_widget_set_direction (editor->view, GTK_TEXT_DIR_LTR); + break; + case GIMP_TEXT_DIRECTION_RTL: + gtk_widget_set_direction (editor->view, GTK_TEXT_DIR_RTL); + break; + } + } + + gimp_ui_manager_update (editor->ui_manager, editor); + + g_signal_emit (editor, text_editor_signals[DIR_CHANGED], 0); +} + +GimpTextDirection +gimp_text_editor_get_direction (GimpTextEditor *editor) +{ + g_return_val_if_fail (GIMP_IS_TEXT_EDITOR (editor), GIMP_TEXT_DIRECTION_LTR); + + return editor->base_dir; +} + +void +gimp_text_editor_set_font_name (GimpTextEditor *editor, + const gchar *font_name) +{ + g_return_if_fail (GIMP_IS_TEXT_EDITOR (editor)); + + if (editor->font_name) + g_free (editor->font_name); + + editor->font_name = g_strdup (font_name); + + if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->font_toggle))) + { + PangoFontDescription *font_desc = NULL; + + if (font_name) + font_desc = pango_font_description_from_string (font_name); + + gtk_widget_modify_font (editor->view, font_desc); + + if (font_desc) + pango_font_description_free (font_desc); + } +} + +const gchar * +gimp_text_editor_get_font_name (GimpTextEditor *editor) +{ + g_return_val_if_fail (GIMP_IS_TEXT_EDITOR (editor), NULL); + + return editor->font_name; +} + + +/* private functions */ + +static void +gimp_text_editor_text_changed (GtkTextBuffer *buffer, + GimpTextEditor *editor) +{ + g_signal_emit (editor, text_editor_signals[TEXT_CHANGED], 0); +} + +static void +gimp_text_editor_font_toggled (GtkToggleButton *button, + GimpTextEditor *editor) +{ + PangoFontDescription *font_desc = NULL; + + if (gtk_toggle_button_get_active (button) && editor->font_name) + font_desc = pango_font_description_from_string (editor->font_name); + + gtk_widget_modify_font (editor->view, font_desc); + + if (font_desc) + pango_font_description_free (font_desc); +} |