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Diffstat (limited to '')
| -rw-r--r-- | app/widgets/gimptextstyleeditor.c | 1302 |
1 files changed, 1302 insertions, 0 deletions
diff --git a/app/widgets/gimptextstyleeditor.c b/app/widgets/gimptextstyleeditor.c new file mode 100644 index 0000000..3f942d4 --- /dev/null +++ b/app/widgets/gimptextstyleeditor.c @@ -0,0 +1,1302 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * GimpTextStyleEditor + * Copyright (C) 2010 Michael Natterer <mitch@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 "libgimpbase/gimpbase.h" +#include "libgimpcolor/gimpcolor.h" +#include "libgimpwidgets/gimpwidgets.h" + +#include "widgets-types.h" + +#include "core/gimp.h" +#include "core/gimpcontainer.h" +#include "core/gimpcontext.h" + +#include "text/gimptext.h" + +#include "gimpcolorpanel.h" +#include "gimpcontainerentry.h" +#include "gimpcontainerview.h" +#include "gimptextbuffer.h" +#include "gimptextstyleeditor.h" +#include "gimptexttag.h" +#include "gimpwidgets-utils.h" + +#include "gimp-intl.h" + + +enum +{ + PROP_0, + PROP_GIMP, + PROP_TEXT, + PROP_BUFFER, + PROP_FONTS, + PROP_RESOLUTION_X, + PROP_RESOLUTION_Y +}; + + +static void gimp_text_style_editor_constructed (GObject *object); +static void gimp_text_style_editor_dispose (GObject *object); +static void gimp_text_style_editor_finalize (GObject *object); +static void gimp_text_style_editor_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); +static void gimp_text_style_editor_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); + +static GtkWidget * gimp_text_style_editor_create_toggle (GimpTextStyleEditor *editor, + GtkTextTag *tag, + const gchar *icon_name, + const gchar *tooltip); + +static void gimp_text_style_editor_clear_tags (GtkButton *button, + GimpTextStyleEditor *editor); + +static void gimp_text_style_editor_font_changed (GimpContext *context, + GimpFont *font, + GimpTextStyleEditor *editor); +static void gimp_text_style_editor_set_font (GimpTextStyleEditor *editor, + GtkTextTag *font_tag); +static void gimp_text_style_editor_set_default_font (GimpTextStyleEditor *editor); + +static void gimp_text_style_editor_color_changed (GimpColorButton *button, + GimpTextStyleEditor *editor); +static void gimp_text_style_editor_set_color (GimpTextStyleEditor *editor, + GtkTextTag *color_tag); +static void gimp_text_style_editor_set_default_color (GimpTextStyleEditor *editor); + +static void gimp_text_style_editor_tag_toggled (GtkToggleButton *toggle, + GimpTextStyleEditor *editor); +static void gimp_text_style_editor_set_toggle (GimpTextStyleEditor *editor, + GtkToggleButton *toggle, + gboolean active); + +static void gimp_text_style_editor_size_changed (GimpSizeEntry *entry, + GimpTextStyleEditor *editor); +static void gimp_text_style_editor_set_size (GimpTextStyleEditor *editor, + GtkTextTag *size_tag); +static void gimp_text_style_editor_set_default_size (GimpTextStyleEditor *editor); + +static void gimp_text_style_editor_baseline_changed (GtkAdjustment *adjustment, + GimpTextStyleEditor *editor); +static void gimp_text_style_editor_set_baseline (GimpTextStyleEditor *editor, + GtkTextTag *baseline_tag); + +static void gimp_text_style_editor_kerning_changed (GtkAdjustment *adjustment, + GimpTextStyleEditor *editor); +static void gimp_text_style_editor_set_kerning (GimpTextStyleEditor *editor, + GtkTextTag *kerning_tag); + +static void gimp_text_style_editor_update (GimpTextStyleEditor *editor); +static gboolean gimp_text_style_editor_update_idle (GimpTextStyleEditor *editor); + + +G_DEFINE_TYPE (GimpTextStyleEditor, gimp_text_style_editor, + GTK_TYPE_BOX) + +#define parent_class gimp_text_style_editor_parent_class + + +static void +gimp_text_style_editor_class_init (GimpTextStyleEditorClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->constructed = gimp_text_style_editor_constructed; + object_class->dispose = gimp_text_style_editor_dispose; + object_class->finalize = gimp_text_style_editor_finalize; + object_class->set_property = gimp_text_style_editor_set_property; + object_class->get_property = gimp_text_style_editor_get_property; + + g_object_class_install_property (object_class, PROP_GIMP, + g_param_spec_object ("gimp", + NULL, NULL, + GIMP_TYPE_GIMP, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + + g_object_class_install_property (object_class, PROP_TEXT, + g_param_spec_object ("text", + NULL, NULL, + GIMP_TYPE_TEXT, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + + g_object_class_install_property (object_class, PROP_BUFFER, + g_param_spec_object ("buffer", + NULL, NULL, + GIMP_TYPE_TEXT_BUFFER, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + + g_object_class_install_property (object_class, PROP_FONTS, + g_param_spec_object ("fonts", + NULL, NULL, + GIMP_TYPE_CONTAINER, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + + g_object_class_install_property (object_class, PROP_RESOLUTION_X, + g_param_spec_double ("resolution-x", + NULL, NULL, + GIMP_MIN_RESOLUTION, + GIMP_MAX_RESOLUTION, + 1.0, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT)); + + g_object_class_install_property (object_class, PROP_RESOLUTION_Y, + g_param_spec_double ("resolution-y", + NULL, NULL, + GIMP_MIN_RESOLUTION, + GIMP_MAX_RESOLUTION, + 1.0, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT)); +} + +static void +gimp_text_style_editor_init (GimpTextStyleEditor *editor) +{ + GtkWidget *image; + GimpRGB color; + + gtk_orientable_set_orientation (GTK_ORIENTABLE (editor), + GTK_ORIENTATION_VERTICAL); + gtk_box_set_spacing (GTK_BOX (editor), 2); + + /* upper row */ + + editor->upper_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2); + gtk_box_pack_start (GTK_BOX (editor), editor->upper_hbox, FALSE, FALSE, 0); + gtk_widget_show (editor->upper_hbox); + + editor->font_entry = gimp_container_entry_new (NULL, NULL, + GIMP_VIEW_SIZE_SMALL, 1); + gtk_box_pack_start (GTK_BOX (editor->upper_hbox), editor->font_entry, + FALSE, FALSE, 0); + gtk_widget_show (editor->font_entry); + + gimp_help_set_help_data (editor->font_entry, + _("Change font of selected text"), NULL); + + editor->size_entry = + gimp_size_entry_new (1, 0, "%a", TRUE, FALSE, FALSE, 10, + GIMP_SIZE_ENTRY_UPDATE_SIZE); + gtk_table_set_col_spacing (GTK_TABLE (editor->size_entry), 1, 0); + gtk_box_pack_start (GTK_BOX (editor->upper_hbox), editor->size_entry, + FALSE, FALSE, 0); + gtk_widget_show (editor->size_entry); + + gimp_help_set_help_data (editor->size_entry, + _("Change size of selected text"), NULL); + + g_signal_connect (editor->size_entry, "value-changed", + G_CALLBACK (gimp_text_style_editor_size_changed), + editor); + + /* lower row */ + + editor->lower_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2); + gtk_box_pack_start (GTK_BOX (editor), editor->lower_hbox, FALSE, FALSE, 0); + gtk_widget_show (editor->lower_hbox); + + editor->clear_button = gtk_button_new (); + gtk_widget_set_can_focus (editor->clear_button, FALSE); + gtk_box_pack_start (GTK_BOX (editor->lower_hbox), editor->clear_button, + FALSE, FALSE, 0); + gtk_widget_show (editor->clear_button); + + gimp_help_set_help_data (editor->clear_button, + _("Clear style of selected text"), NULL); + + g_signal_connect (editor->clear_button, "clicked", + G_CALLBACK (gimp_text_style_editor_clear_tags), + editor); + + image = gtk_image_new_from_icon_name ("edit-clear", GTK_ICON_SIZE_MENU); + gtk_container_add (GTK_CONTAINER (editor->clear_button), image); + gtk_widget_show (image); + + gimp_rgba_set (&color, 0.0, 0.0, 0.0, 1.0); + editor->color_button = gimp_color_panel_new (_("Change color of selected text"), + &color, + GIMP_COLOR_AREA_FLAT, 20, 20); + gimp_widget_set_fully_opaque (editor->color_button, TRUE); + + gtk_box_pack_end (GTK_BOX (editor->lower_hbox), editor->color_button, + FALSE, FALSE, 0); + gtk_widget_show (editor->color_button); + + gimp_help_set_help_data (editor->color_button, + _("Change color of selected text"), NULL); + + g_signal_connect (editor->color_button, "color-changed", + G_CALLBACK (gimp_text_style_editor_color_changed), + editor); + + editor->kerning_adjustment = + GTK_ADJUSTMENT (gtk_adjustment_new (0.0, -1000.0, 1000.0, 1.0, 10.0, 0.0)); + editor->kerning_spinbutton = + gimp_spin_button_new (editor->kerning_adjustment, 1.0, 1); + gtk_entry_set_width_chars (GTK_ENTRY (editor->kerning_spinbutton), 5); + gtk_box_pack_end (GTK_BOX (editor->lower_hbox), editor->kerning_spinbutton, + FALSE, FALSE, 0); + gtk_widget_show (editor->kerning_spinbutton); + + gimp_help_set_help_data (editor->kerning_spinbutton, + _("Change kerning of selected text"), NULL); + + g_signal_connect (editor->kerning_adjustment, "value-changed", + G_CALLBACK (gimp_text_style_editor_kerning_changed), + editor); + + editor->baseline_adjustment = + GTK_ADJUSTMENT (gtk_adjustment_new (0.0, -1000.0, 1000.0, 1.0, 10.0, 0.0)); + editor->baseline_spinbutton = + gimp_spin_button_new (editor->baseline_adjustment, 1.0, 1); + gtk_entry_set_width_chars (GTK_ENTRY (editor->baseline_spinbutton), 5); + gtk_box_pack_end (GTK_BOX (editor->lower_hbox), editor->baseline_spinbutton, + FALSE, FALSE, 0); + gtk_widget_show (editor->baseline_spinbutton); + + gimp_help_set_help_data (editor->baseline_spinbutton, + _("Change baseline of selected text"), NULL); + + g_signal_connect (editor->baseline_adjustment, "value-changed", + G_CALLBACK (gimp_text_style_editor_baseline_changed), + editor); +} + +static void +gimp_text_style_editor_constructed (GObject *object) +{ + GimpTextStyleEditor *editor = GIMP_TEXT_STYLE_EDITOR (object); + + G_OBJECT_CLASS (parent_class)->constructed (object); + + gimp_assert (GIMP_IS_GIMP (editor->gimp)); + gimp_assert (GIMP_IS_CONTAINER (editor->fonts)); + gimp_assert (GIMP_IS_TEXT (editor->text)); + gimp_assert (GIMP_IS_TEXT_BUFFER (editor->buffer)); + + editor->context = gimp_context_new (editor->gimp, "text style editor", NULL); + + g_signal_connect (editor->context, "font-changed", + G_CALLBACK (gimp_text_style_editor_font_changed), + editor); + + gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (editor->size_entry), 0, + editor->resolution_y, TRUE); + + /* use the global user context so we get the global FG/BG colors */ + gimp_color_panel_set_context (GIMP_COLOR_PANEL (editor->color_button), + gimp_get_user_context (editor->gimp)); + + gimp_container_view_set_container (GIMP_CONTAINER_VIEW (editor->font_entry), + editor->fonts); + gimp_container_view_set_context (GIMP_CONTAINER_VIEW (editor->font_entry), + editor->context); + + gimp_text_style_editor_create_toggle (editor, editor->buffer->bold_tag, + GIMP_ICON_FORMAT_TEXT_BOLD, + _("Bold")); + gimp_text_style_editor_create_toggle (editor, editor->buffer->italic_tag, + GIMP_ICON_FORMAT_TEXT_ITALIC, + _("Italic")); + gimp_text_style_editor_create_toggle (editor, editor->buffer->underline_tag, + GIMP_ICON_FORMAT_TEXT_UNDERLINE, + _("Underline")); + gimp_text_style_editor_create_toggle (editor, editor->buffer->strikethrough_tag, + GIMP_ICON_FORMAT_TEXT_STRIKETHROUGH, + _("Strikethrough")); + + g_signal_connect_swapped (editor->text, "notify::font", + G_CALLBACK (gimp_text_style_editor_update), + editor); + g_signal_connect_swapped (editor->text, "notify::font-size", + G_CALLBACK (gimp_text_style_editor_update), + editor); + g_signal_connect_swapped (editor->text, "notify::font-size-unit", + G_CALLBACK (gimp_text_style_editor_update), + editor); + g_signal_connect_swapped (editor->text, "notify::color", + G_CALLBACK (gimp_text_style_editor_update), + editor); + + g_signal_connect_data (editor->buffer, "changed", + G_CALLBACK (gimp_text_style_editor_update), + editor, 0, + G_CONNECT_AFTER | G_CONNECT_SWAPPED); + g_signal_connect_data (editor->buffer, "apply-tag", + G_CALLBACK (gimp_text_style_editor_update), + editor, 0, + G_CONNECT_AFTER | G_CONNECT_SWAPPED); + g_signal_connect_data (editor->buffer, "remove-tag", + G_CALLBACK (gimp_text_style_editor_update), + editor, 0, + G_CONNECT_AFTER | G_CONNECT_SWAPPED); + g_signal_connect_data (editor->buffer, "mark-set", + G_CALLBACK (gimp_text_style_editor_update), + editor, 0, + G_CONNECT_AFTER | G_CONNECT_SWAPPED); + + gimp_text_style_editor_update (editor); +} + +static void +gimp_text_style_editor_dispose (GObject *object) +{ + GimpTextStyleEditor *editor = GIMP_TEXT_STYLE_EDITOR (object); + + if (editor->text) + { + g_signal_handlers_disconnect_by_func (editor->text, + gimp_text_style_editor_update, + editor); + } + + if (editor->buffer) + { + g_signal_handlers_disconnect_by_func (editor->buffer, + gimp_text_style_editor_update, + editor); + } + + if (editor->update_idle_id) + { + g_source_remove (editor->update_idle_id); + editor->update_idle_id = 0; + } + + G_OBJECT_CLASS (parent_class)->dispose (object); +} + +static void +gimp_text_style_editor_finalize (GObject *object) +{ + GimpTextStyleEditor *editor = GIMP_TEXT_STYLE_EDITOR (object); + + g_clear_object (&editor->context); + g_clear_object (&editor->text); + g_clear_object (&editor->buffer); + g_clear_object (&editor->fonts); + + if (editor->toggles) + { + g_list_free (editor->toggles); + editor->toggles = NULL; + } + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gimp_text_style_editor_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpTextStyleEditor *editor = GIMP_TEXT_STYLE_EDITOR (object); + + switch (property_id) + { + case PROP_GIMP: + editor->gimp = g_value_get_object (value); /* don't ref */ + break; + case PROP_TEXT: + editor->text = g_value_dup_object (value); + break; + case PROP_BUFFER: + editor->buffer = g_value_dup_object (value); + break; + case PROP_FONTS: + editor->fonts = g_value_dup_object (value); + break; + case PROP_RESOLUTION_X: + editor->resolution_x = g_value_get_double (value); + break; + case PROP_RESOLUTION_Y: + editor->resolution_y = g_value_get_double (value); + if (editor->size_entry) + gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (editor->size_entry), 0, + editor->resolution_y, TRUE); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_text_style_editor_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GimpTextStyleEditor *editor = GIMP_TEXT_STYLE_EDITOR (object); + + switch (property_id) + { + case PROP_GIMP: + g_value_set_object (value, editor->gimp); + break; + case PROP_TEXT: + g_value_set_object (value, editor->text); + break; + case PROP_BUFFER: + g_value_set_object (value, editor->buffer); + break; + case PROP_FONTS: + g_value_set_object (value, editor->fonts); + break; + case PROP_RESOLUTION_X: + g_value_set_double (value, editor->resolution_x); + break; + case PROP_RESOLUTION_Y: + g_value_set_double (value, editor->resolution_y); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + + +/* public functions */ + +GtkWidget * +gimp_text_style_editor_new (Gimp *gimp, + GimpText *text, + GimpTextBuffer *buffer, + GimpContainer *fonts, + gdouble resolution_x, + gdouble resolution_y) +{ + g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL); + g_return_val_if_fail (GIMP_IS_TEXT (text), NULL); + g_return_val_if_fail (GIMP_IS_TEXT_BUFFER (buffer), NULL); + g_return_val_if_fail (resolution_x > 0.0, NULL); + g_return_val_if_fail (resolution_y > 0.0, NULL); + + return g_object_new (GIMP_TYPE_TEXT_STYLE_EDITOR, + "gimp", gimp, + "text", text, + "buffer", buffer, + "fonts", fonts, + "resolution-x", resolution_x, + "resolution-y", resolution_y, + NULL); +} + +GList * +gimp_text_style_editor_list_tags (GimpTextStyleEditor *editor, + GList **remove_tags) +{ + GList *toggles; + GList *tags = NULL; + + g_return_val_if_fail (GIMP_IS_TEXT_STYLE_EDITOR (editor), NULL); + g_return_val_if_fail (remove_tags != NULL, NULL); + + *remove_tags = NULL; + + for (toggles = editor->toggles; toggles; toggles = g_list_next (toggles)) + { + GtkTextTag *tag = g_object_get_data (toggles->data, "tag"); + + if (gtk_toggle_button_get_active (toggles->data)) + { + tags = g_list_prepend (tags, tag); + } + else + { + *remove_tags = g_list_prepend (*remove_tags, tag); + } + } + + { + GList *list; + gdouble pixels; + + for (list = editor->buffer->size_tags; list; list = g_list_next (list)) + *remove_tags = g_list_prepend (*remove_tags, list->data); + + pixels = gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (editor->size_entry), 0); + + if (pixels != 0.0) + { + GtkTextTag *tag; + gdouble points; + + points = gimp_units_to_points (pixels, + GIMP_UNIT_PIXEL, + editor->resolution_y); + tag = gimp_text_buffer_get_size_tag (editor->buffer, + PANGO_SCALE * points); + tags = g_list_prepend (tags, tag); + } + } + + { + GList *list; + const gchar *font_name; + + for (list = editor->buffer->font_tags; list; list = g_list_next (list)) + *remove_tags = g_list_prepend (*remove_tags, list->data); + + font_name = gimp_context_get_font_name (editor->context); + + if (font_name) + { + GtkTextTag *tag; + + tag = gimp_text_buffer_get_font_tag (editor->buffer, font_name); + tags = g_list_prepend (tags, tag); + } + } + + { + GList *list; + GimpRGB color; + + for (list = editor->buffer->color_tags; list; list = g_list_next (list)) + *remove_tags = g_list_prepend (*remove_tags, list->data); + + gimp_color_button_get_color (GIMP_COLOR_BUTTON (editor->color_button), + &color); + + if (TRUE) /* FIXME should have "inconsistent" state as for font and size */ + { + GtkTextTag *tag; + + tag = gimp_text_buffer_get_color_tag (editor->buffer, &color); + tags = g_list_prepend (tags, tag); + } + } + + *remove_tags = g_list_reverse (*remove_tags); + + return g_list_reverse (tags); +} + + +/* private functions */ + +static GtkWidget * +gimp_text_style_editor_create_toggle (GimpTextStyleEditor *editor, + GtkTextTag *tag, + const gchar *icon_name, + const gchar *tooltip) +{ + GtkWidget *toggle; + GtkWidget *image; + + toggle = gtk_toggle_button_new (); + gtk_widget_set_can_focus (toggle, FALSE); + gtk_box_pack_start (GTK_BOX (editor->lower_hbox), toggle, FALSE, FALSE, 0); + gtk_widget_show (toggle); + + gimp_help_set_help_data (toggle, tooltip, NULL); + + editor->toggles = g_list_append (editor->toggles, toggle); + g_object_set_data (G_OBJECT (toggle), "tag", tag); + + g_signal_connect (toggle, "toggled", + G_CALLBACK (gimp_text_style_editor_tag_toggled), + editor); + + image = gtk_image_new_from_icon_name (icon_name, GTK_ICON_SIZE_MENU); + gtk_container_add (GTK_CONTAINER (toggle), image); + gtk_widget_show (image); + + return toggle; +} + +static void +gimp_text_style_editor_clear_tags (GtkButton *button, + GimpTextStyleEditor *editor) +{ + GtkTextBuffer *buffer = GTK_TEXT_BUFFER (editor->buffer); + + if (gtk_text_buffer_get_has_selection (buffer)) + { + GtkTextIter start, end; + + gtk_text_buffer_get_selection_bounds (buffer, &start, &end); + + gtk_text_buffer_begin_user_action (buffer); + + gtk_text_buffer_remove_all_tags (buffer, &start, &end); + + gtk_text_buffer_end_user_action (buffer); + } +} + +static void +gimp_text_style_editor_font_changed (GimpContext *context, + GimpFont *font, + GimpTextStyleEditor *editor) +{ + GtkTextBuffer *buffer = GTK_TEXT_BUFFER (editor->buffer); + GList *insert_tags; + GList *remove_tags; + + if (gtk_text_buffer_get_has_selection (buffer)) + { + GtkTextIter start, end; + + gtk_text_buffer_get_selection_bounds (buffer, &start, &end); + + gimp_text_buffer_set_font (editor->buffer, &start, &end, + gimp_context_get_font_name (context)); + } + + insert_tags = gimp_text_style_editor_list_tags (editor, &remove_tags); + gimp_text_buffer_set_insert_tags (editor->buffer, insert_tags, remove_tags); +} + +static void +gimp_text_style_editor_set_font (GimpTextStyleEditor *editor, + GtkTextTag *font_tag) +{ + gchar *font = NULL; + + if (font_tag) + font = gimp_text_tag_get_font (font_tag); + + g_signal_handlers_block_by_func (editor->context, + gimp_text_style_editor_font_changed, + editor); + + gimp_context_set_font_name (editor->context, font); + + g_signal_handlers_unblock_by_func (editor->context, + gimp_text_style_editor_font_changed, + editor); + + g_free (font); +} + +static void +gimp_text_style_editor_set_default_font (GimpTextStyleEditor *editor) +{ + g_signal_handlers_block_by_func (editor->context, + gimp_text_style_editor_font_changed, + editor); + + gimp_context_set_font_name (editor->context, editor->text->font); + + g_signal_handlers_unblock_by_func (editor->context, + gimp_text_style_editor_font_changed, + editor); +} + +static void +gimp_text_style_editor_color_changed (GimpColorButton *button, + GimpTextStyleEditor *editor) +{ + GtkTextBuffer *buffer = GTK_TEXT_BUFFER (editor->buffer); + GList *insert_tags; + GList *remove_tags; + + if (gtk_text_buffer_get_has_selection (buffer)) + { + GtkTextIter start, end; + GimpRGB color; + + gtk_text_buffer_get_selection_bounds (buffer, &start, &end); + + gimp_color_button_get_color (button, &color); + gimp_text_buffer_set_color (editor->buffer, &start, &end, &color); + } + + insert_tags = gimp_text_style_editor_list_tags (editor, &remove_tags); + gimp_text_buffer_set_insert_tags (editor->buffer, insert_tags, remove_tags); +} + +static void +gimp_text_style_editor_set_color (GimpTextStyleEditor *editor, + GtkTextTag *color_tag) +{ + GimpRGB color; + + gimp_rgba_set (&color, 0.0, 0.0, 0.0, 1.0); + + if (color_tag) + gimp_text_tag_get_fg_color (color_tag, &color); + + g_signal_handlers_block_by_func (editor->color_button, + gimp_text_style_editor_color_changed, + editor); + + gimp_color_button_set_color (GIMP_COLOR_BUTTON (editor->color_button), + &color); + + /* FIXME should have "inconsistent" state as for font and size */ + + g_signal_handlers_unblock_by_func (editor->color_button, + gimp_text_style_editor_color_changed, + editor); +} + +static void +gimp_text_style_editor_set_default_color (GimpTextStyleEditor *editor) +{ + g_signal_handlers_block_by_func (editor->color_button, + gimp_text_style_editor_color_changed, + editor); + + gimp_color_button_set_color (GIMP_COLOR_BUTTON (editor->color_button), + &editor->text->color); + + g_signal_handlers_unblock_by_func (editor->color_button, + gimp_text_style_editor_color_changed, + editor); +} + +static void +gimp_text_style_editor_tag_toggled (GtkToggleButton *toggle, + GimpTextStyleEditor *editor) +{ + GtkTextBuffer *buffer = GTK_TEXT_BUFFER (editor->buffer); + GtkTextTag *tag = g_object_get_data (G_OBJECT (toggle), "tag"); + GList *insert_tags; + GList *remove_tags; + + if (gtk_text_buffer_get_has_selection (buffer)) + { + GtkTextIter start, end; + + gtk_text_buffer_get_selection_bounds (buffer, &start, &end); + + gtk_text_buffer_begin_user_action (buffer); + + if (gtk_toggle_button_get_active (toggle)) + { + gtk_text_buffer_apply_tag (buffer, tag, &start, &end); + } + else + { + gtk_text_buffer_remove_tag (buffer, tag, &start, &end); + } + + gtk_text_buffer_end_user_action (buffer); + } + + insert_tags = gimp_text_style_editor_list_tags (editor, &remove_tags); + gimp_text_buffer_set_insert_tags (editor->buffer, insert_tags, remove_tags); +} + +static void +gimp_text_style_editor_set_toggle (GimpTextStyleEditor *editor, + GtkToggleButton *toggle, + gboolean active) +{ + g_signal_handlers_block_by_func (toggle, + gimp_text_style_editor_tag_toggled, + editor); + + gtk_toggle_button_set_active (toggle, active); + + g_signal_handlers_unblock_by_func (toggle, + gimp_text_style_editor_tag_toggled, + editor); +} + +static void +gimp_text_style_editor_size_changed (GimpSizeEntry *entry, + GimpTextStyleEditor *editor) +{ + GtkTextBuffer *buffer = GTK_TEXT_BUFFER (editor->buffer); + GList *insert_tags; + GList *remove_tags; + + if (gtk_text_buffer_get_has_selection (buffer)) + { + GtkTextIter start, end; + gdouble points; + + gtk_text_buffer_get_selection_bounds (buffer, &start, &end); + + points = gimp_units_to_points (gimp_size_entry_get_refval (entry, 0), + GIMP_UNIT_PIXEL, + editor->resolution_y); + + gimp_text_buffer_set_size (editor->buffer, &start, &end, + PANGO_SCALE * points); + } + + insert_tags = gimp_text_style_editor_list_tags (editor, &remove_tags); + gimp_text_buffer_set_insert_tags (editor->buffer, insert_tags, remove_tags); +} + +static void +gimp_text_style_editor_set_size (GimpTextStyleEditor *editor, + GtkTextTag *size_tag) +{ + gint size = 0; + gdouble pixels; + + if (size_tag) + size = gimp_text_tag_get_size (size_tag); + + g_signal_handlers_block_by_func (editor->size_entry, + gimp_text_style_editor_size_changed, + editor); + + pixels = gimp_units_to_pixels ((gdouble) size / PANGO_SCALE, + GIMP_UNIT_POINT, + editor->resolution_y); + gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (editor->size_entry), 0, pixels); + + if (size == 0) + { + GtkWidget *spinbutton; + + spinbutton = gimp_size_entry_get_help_widget (GIMP_SIZE_ENTRY (editor->size_entry), 0); + + gtk_entry_set_text (GTK_ENTRY (spinbutton), ""); + } + + g_signal_handlers_unblock_by_func (editor->size_entry, + gimp_text_style_editor_size_changed, + editor); +} + +static void +gimp_text_style_editor_set_default_size (GimpTextStyleEditor *editor) +{ + gdouble pixels = gimp_units_to_pixels (editor->text->font_size, + editor->text->unit, + editor->resolution_y); + + g_signal_handlers_block_by_func (editor->size_entry, + gimp_text_style_editor_size_changed, + editor); + + gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (editor->size_entry), 0, pixels); + + g_signal_handlers_unblock_by_func (editor->size_entry, + gimp_text_style_editor_size_changed, + editor); +} + +static void +gimp_text_style_editor_baseline_changed (GtkAdjustment *adjustment, + GimpTextStyleEditor *editor) +{ + GtkTextBuffer *buffer = GTK_TEXT_BUFFER (editor->buffer); + GtkTextIter start, end; + + if (! gtk_text_buffer_get_selection_bounds (buffer, &start, &end)) + { + gtk_text_buffer_get_iter_at_mark (buffer, &start, + gtk_text_buffer_get_insert (buffer)); + gtk_text_buffer_get_end_iter (buffer, &end); + } + + gimp_text_buffer_set_baseline (editor->buffer, &start, &end, + gtk_adjustment_get_value (adjustment) * + PANGO_SCALE); +} + +static void +gimp_text_style_editor_set_baseline (GimpTextStyleEditor *editor, + GtkTextTag *baseline_tag) +{ + gint baseline = 0; + + if (baseline_tag) + baseline = gimp_text_tag_get_baseline (baseline_tag); + + g_signal_handlers_block_by_func (editor->baseline_adjustment, + gimp_text_style_editor_baseline_changed, + editor); + + gtk_adjustment_set_value (editor->baseline_adjustment, + (gdouble) baseline / PANGO_SCALE); + /* make sure the "" really gets replaced */ + gtk_adjustment_value_changed (editor->baseline_adjustment); + + g_signal_handlers_unblock_by_func (editor->baseline_adjustment, + gimp_text_style_editor_baseline_changed, + editor); +} + +static void +gimp_text_style_editor_kerning_changed (GtkAdjustment *adjustment, + GimpTextStyleEditor *editor) +{ + GtkTextBuffer *buffer = GTK_TEXT_BUFFER (editor->buffer); + GtkTextIter start, end; + + if (! gtk_text_buffer_get_selection_bounds (buffer, &start, &end)) + { + gtk_text_buffer_get_iter_at_mark (buffer, &start, + gtk_text_buffer_get_insert (buffer)); + end = start; + gtk_text_iter_forward_char (&end); + } + + gimp_text_buffer_set_kerning (editor->buffer, &start, &end, + gtk_adjustment_get_value (adjustment) * + PANGO_SCALE); +} + +static void +gimp_text_style_editor_set_kerning (GimpTextStyleEditor *editor, + GtkTextTag *kerning_tag) +{ + gint kerning = 0; + + if (kerning_tag) + kerning = gimp_text_tag_get_kerning (kerning_tag); + + g_signal_handlers_block_by_func (editor->kerning_adjustment, + gimp_text_style_editor_kerning_changed, + editor); + + gtk_adjustment_set_value (editor->kerning_adjustment, + (gdouble) kerning / PANGO_SCALE); + /* make sure the "" really gets replaced */ + gtk_adjustment_value_changed (editor->kerning_adjustment); + + g_signal_handlers_unblock_by_func (editor->kerning_adjustment, + gimp_text_style_editor_kerning_changed, + editor); +} + +static void +gimp_text_style_editor_update (GimpTextStyleEditor *editor) +{ + if (editor->update_idle_id) + g_source_remove (editor->update_idle_id); + + editor->update_idle_id = + gdk_threads_add_idle ((GSourceFunc) gimp_text_style_editor_update_idle, + editor); +} + +static gboolean +gimp_text_style_editor_update_idle (GimpTextStyleEditor *editor) +{ + GtkTextBuffer *buffer = GTK_TEXT_BUFFER (editor->buffer); + + if (editor->update_idle_id) + { + g_source_remove (editor->update_idle_id); + editor->update_idle_id = 0; + } + + if (gtk_text_buffer_get_has_selection (buffer)) + { + GtkTextIter start, end; + GtkTextIter iter; + GList *list; + gboolean any_toggle_active = TRUE; + gboolean font_differs = FALSE; + gboolean color_differs = FALSE; + gboolean size_differs = FALSE; + gboolean baseline_differs = FALSE; + gboolean kerning_differs = FALSE; + GtkTextTag *font_tag = NULL; + GtkTextTag *color_tag = NULL; + GtkTextTag *size_tag = NULL; + GtkTextTag *baseline_tag = NULL; + GtkTextTag *kerning_tag = NULL; + + gtk_text_buffer_get_selection_bounds (buffer, &start, &end); + gtk_text_iter_order (&start, &end); + + /* first, switch all toggles on */ + for (list = editor->toggles; list; list = g_list_next (list)) + { + GtkToggleButton *toggle = list->data; + + gimp_text_style_editor_set_toggle (editor, toggle, TRUE); + } + + /* and get some initial values */ + font_tag = gimp_text_buffer_get_iter_font (editor->buffer, + &start, NULL); + color_tag = gimp_text_buffer_get_iter_color (editor->buffer, + &start, NULL); + size_tag = gimp_text_buffer_get_iter_size (editor->buffer, + &start, NULL); + baseline_tag = gimp_text_buffer_get_iter_baseline (editor->buffer, + &start, NULL); + kerning_tag = gimp_text_buffer_get_iter_kerning (editor->buffer, + &start, NULL); + + for (iter = start; + gtk_text_iter_in_range (&iter, &start, &end); + gtk_text_iter_forward_cursor_position (&iter)) + { + if (any_toggle_active) + { + any_toggle_active = FALSE; + + for (list = editor->toggles; list; list = g_list_next (list)) + { + GtkToggleButton *toggle = list->data; + GtkTextTag *tag = g_object_get_data (G_OBJECT (toggle), + "tag"); + + if (! gtk_text_iter_has_tag (&iter, tag)) + { + gimp_text_style_editor_set_toggle (editor, toggle, FALSE); + } + else + { + any_toggle_active = TRUE; + } + } + } + + if (! font_differs) + { + GtkTextTag *tag; + + tag = gimp_text_buffer_get_iter_font (editor->buffer, &iter, + NULL); + + if (tag != font_tag) + font_differs = TRUE; + } + + if (! color_differs) + { + GtkTextTag *tag; + + tag = gimp_text_buffer_get_iter_color (editor->buffer, &iter, + NULL); + + if (tag != color_tag) + color_differs = TRUE; + } + + if (! size_differs) + { + GtkTextTag *tag; + + tag = gimp_text_buffer_get_iter_size (editor->buffer, &iter, + NULL); + + if (tag != size_tag) + size_differs = TRUE; + } + + if (! baseline_differs) + { + GtkTextTag *tag; + + tag = gimp_text_buffer_get_iter_baseline (editor->buffer, &iter, + NULL); + + if (tag != baseline_tag) + baseline_differs = TRUE; + } + + if (! kerning_differs) + { + GtkTextTag *tag; + + tag = gimp_text_buffer_get_iter_kerning (editor->buffer, &iter, + NULL); + + if (tag != kerning_tag) + kerning_differs = TRUE; + } + + if (! any_toggle_active && + color_differs && + font_differs && + size_differs && + baseline_differs && + kerning_differs) + break; + } + + if (font_differs) + gimp_text_style_editor_set_font (editor, NULL); + else if (font_tag) + gimp_text_style_editor_set_font (editor, font_tag); + else + gimp_text_style_editor_set_default_font (editor); + + if (color_differs) + gimp_text_style_editor_set_color (editor, NULL); + else if (color_tag) + gimp_text_style_editor_set_color (editor, color_tag); + else + gimp_text_style_editor_set_default_color (editor); + + if (size_differs) + gimp_text_style_editor_set_size (editor, NULL); + else if (size_tag) + gimp_text_style_editor_set_size (editor, size_tag); + else + gimp_text_style_editor_set_default_size (editor); + + if (baseline_differs) + gtk_entry_set_text (GTK_ENTRY (editor->baseline_spinbutton), ""); + else + gimp_text_style_editor_set_baseline (editor, baseline_tag); + + if (kerning_differs) + gtk_entry_set_text (GTK_ENTRY (editor->kerning_spinbutton), ""); + else + gimp_text_style_editor_set_kerning (editor, kerning_tag); + } + else /* no selection */ + { + GtkTextIter cursor; + GSList *tags; + GSList *tags_on; + GSList *tags_off; + GList *list; + + gtk_text_buffer_get_iter_at_mark (buffer, &cursor, + gtk_text_buffer_get_insert (buffer)); + + tags = gtk_text_iter_get_tags (&cursor); + tags_on = gtk_text_iter_get_toggled_tags (&cursor, TRUE); + tags_off = gtk_text_iter_get_toggled_tags (&cursor, FALSE); + + for (list = editor->buffer->font_tags; list; list = g_list_next (list)) + { + GtkTextTag *tag = list->data; + + if ((g_slist_find (tags, tag) && + ! g_slist_find (tags_on, tag)) || + g_slist_find (tags_off, tag)) + { + gimp_text_style_editor_set_font (editor, tag); + break; + } + } + + if (! list) + gimp_text_style_editor_set_default_font (editor); + + for (list = editor->buffer->color_tags; list; list = g_list_next (list)) + { + GtkTextTag *tag = list->data; + + if ((g_slist_find (tags, tag) && + ! g_slist_find (tags_on, tag)) || + g_slist_find (tags_off, tag)) + { + gimp_text_style_editor_set_color (editor, tag); + break; + } + } + + if (! list) + gimp_text_style_editor_set_default_color (editor); + + for (list = editor->buffer->size_tags; list; list = g_list_next (list)) + { + GtkTextTag *tag = list->data; + + if ((g_slist_find (tags, tag) && + ! g_slist_find (tags_on, tag)) || + g_slist_find (tags_off, tag)) + { + gimp_text_style_editor_set_size (editor, tag); + break; + } + } + + if (! list) + gimp_text_style_editor_set_default_size (editor); + + for (list = editor->buffer->baseline_tags; list; list = g_list_next (list)) + { + GtkTextTag *tag = list->data; + + if ((g_slist_find (tags, tag) && + ! g_slist_find (tags_on, tag)) || + g_slist_find (tags_off, tag)) + { + gimp_text_style_editor_set_baseline (editor, tag); + break; + } + } + + if (! list) + gimp_text_style_editor_set_baseline (editor, NULL); + + for (list = editor->toggles; list; list = g_list_next (list)) + { + GtkToggleButton *toggle = list->data; + GtkTextTag *tag = g_object_get_data (G_OBJECT (toggle), + "tag"); + + gimp_text_style_editor_set_toggle (editor, toggle, + (g_slist_find (tags, tag) && + ! g_slist_find (tags_on, tag)) || + g_slist_find (tags_off, tag)); + } + + { + GtkTextTag *tag; + + tag = gimp_text_buffer_get_iter_kerning (editor->buffer, &cursor, NULL); + gimp_text_style_editor_set_kerning (editor, tag); + } + + g_slist_free (tags); + g_slist_free (tags_on); + g_slist_free (tags_off); + } + + if (editor->context->font_name && + g_strcmp0 (editor->context->font_name, + gimp_object_get_name (gimp_context_get_font (editor->context)))) + { + /* A font is set, but is unavailable; change the help text. */ + gchar *help_text; + + help_text = g_strdup_printf (_("Font \"%s\" unavailable on this system"), + editor->context->font_name); + gimp_help_set_help_data (editor->font_entry, help_text, NULL); + g_free (help_text); + } + else + { + gimp_help_set_help_data (editor->font_entry, + _("Change font of selected text"), NULL); + } + + return FALSE; +} |