Work on frames and storycode

1 files changed, 317 insertions, 0 deletions

diff --git a/src/stylesheet-editor.c b/src/stylesheet-editor.c
new file mode 100644
index 0000000..cd6abc7
--- /dev/null
+++ b/src/stylesheet-editor.c
@@ -0,0 +1,317 @@
+/*
+ * stylesheet-editor.c
+ *
+ * Colloquium - A tiny presentation program
+ *
+ * Copyright (c) 2011 Thomas White <taw@bitwiz.org.uk>
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include <gtk/gtk.h>
+#include <assert.h>
+
+#include "presentation.h"
+#include "stylesheet.h"
+#include "objects.h"
+#include "loadsave.h"
+
+
+struct _stylesheetwindow
+{
+	struct presentation *p;  /* Presentation to update when user alters
+	                          * something in this window */
+	GtkWidget           *window;
+	StyleSheet          *ss; /* Style sheet this window corresponds to */
+
+	GtkWidget           *margin_left;
+	GtkWidget           *margin_right;
+	GtkWidget           *margin_top;
+	GtkWidget           *margin_bottom;
+
+	GtkWidget           *text_font;
+	GtkWidget           *text_colour;
+
+	struct style        *cur_style;
+};
+
+
+static void text_font_set_sig(GtkFontButton *widget,
+                              struct _stylesheetwindow *s)
+{
+	const gchar *font;
+
+	font = gtk_font_button_get_font_name(widget);
+	free(s->cur_style->font);
+	s->cur_style->font = strdup(font);
+
+	notify_style_update(s->p, s->cur_style);
+}
+
+
+static void text_colour_set_sig(GtkColorButton *widget,
+                              struct _stylesheetwindow *s)
+{
+	GdkColor col;
+	guint16 al;
+
+	gtk_color_button_get_color(widget, &col);
+	free(s->cur_style->colour);
+	s->cur_style->colour = gdk_color_to_string(&col);
+	al = gtk_color_button_get_alpha(widget);
+	s->cur_style->alpha = (double)al / 65535.0;
+
+	notify_style_update(s->p, s->cur_style);
+}
+
+
+static void margin_left_changed_sig(GtkSpinButton *spin,
+                                    struct _stylesheetwindow *s)
+{
+	s->cur_style->margin_left = gtk_spin_button_get_value(spin);
+	notify_style_update(s->p, s->cur_style);
+}
+
+
+static void margin_right_changed_sig(GtkSpinButton *spin,
+                                     struct _stylesheetwindow *s)
+{
+	s->cur_style->margin_right = gtk_spin_button_get_value(spin);
+	notify_style_update(s->p, s->cur_style);
+}
+
+
+static void margin_top_changed_sig(GtkSpinButton *spin,
+                                   struct _stylesheetwindow *s)
+{
+	s->cur_style->margin_top = gtk_spin_button_get_value(spin);
+	notify_style_update(s->p, s->cur_style);
+}
+
+
+static void margin_bottom_changed_sig(GtkSpinButton *spin,
+                                      struct _stylesheetwindow *s)
+{
+	s->cur_style->margin_bottom = gtk_spin_button_get_value(spin);
+	notify_style_update(s->p, s->cur_style);
+}
+
+
+static void style_changed_sig(GtkComboBox *combo,
+                               struct _stylesheetwindow *s)
+{
+	int n;
+	GdkColor col;
+
+	n = gtk_combo_box_get_active(GTK_COMBO_BOX(combo));
+	s->cur_style = s->ss->styles[n];
+
+	gtk_spin_button_set_value(GTK_SPIN_BUTTON(s->margin_left),
+	                          s->cur_style->margin_left);
+	gtk_spin_button_set_value(GTK_SPIN_BUTTON(s->margin_right),
+	                          s->cur_style->margin_right);
+	gtk_spin_button_set_value(GTK_SPIN_BUTTON(s->margin_bottom),
+	                          s->cur_style->margin_bottom);
+	gtk_spin_button_set_value(GTK_SPIN_BUTTON(s->margin_top),
+	                          s->cur_style->margin_top);
+
+	n = gtk_combo_box_get_active(GTK_COMBO_BOX(combo));
+	s->cur_style = s->ss->styles[n];
+
+	gtk_font_button_set_font_name(GTK_FONT_BUTTON(s->text_font),
+	                              s->cur_style->font);
+
+	gdk_color_parse(s->cur_style->colour, &col);
+	gtk_color_button_set_color(GTK_COLOR_BUTTON(s->text_colour), &col);
+}
+
+
+static void do_layout(struct _stylesheetwindow *s, GtkWidget *b)
+{
+	GtkWidget *table;
+	GtkWidget *line;
+	GtkWidget *label;
+	GtkWidget *combo;
+	GtkWidget *box;
+	GtkWidget *vbox;
+	int i;
+
+	box = gtk_hbox_new(FALSE, 5);
+	gtk_box_pack_start(GTK_BOX(b), box, FALSE, FALSE, 5);
+	label = gtk_label_new("Top-level frame:");
+	gtk_misc_set_alignment(GTK_MISC(label), 1.0, 0.5);
+	gtk_box_pack_start(GTK_BOX(box), label, FALSE, FALSE, 0);
+	combo = gtk_combo_box_new_text();
+	for ( i=0; i<s->ss->n_styles; i++ ) {
+		gtk_combo_box_append_text(GTK_COMBO_BOX(combo),
+		                          s->ss->styles[i]->name);
+	}
+	gtk_combo_box_set_active(GTK_COMBO_BOX(combo), 0);
+	g_signal_connect(G_OBJECT(combo), "changed",
+	                 G_CALLBACK(style_changed_sig), s);
+	gtk_box_pack_start(GTK_BOX(box), combo, TRUE, TRUE, 0);
+
+	line = gtk_hseparator_new();
+	gtk_box_pack_start(GTK_BOX(b), line, FALSE, FALSE, 5);
+
+	box = gtk_hbox_new(TRUE, 30);
+	gtk_box_pack_start(GTK_BOX(b), box, FALSE, FALSE, 5);
+
+	vbox = gtk_vbox_new(FALSE, 0);
+	gtk_box_pack_start(GTK_BOX(box), vbox, FALSE, FALSE, 0);
+	label = gtk_label_new("Margins:");
+	gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
+	gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 5);
+	table = gtk_table_new(3, 3, TRUE);
+	gtk_table_set_row_spacings(GTK_TABLE(table), 5.0);
+	gtk_table_set_col_spacings(GTK_TABLE(table), 5.0);
+	gtk_box_pack_start(GTK_BOX(vbox), table, TRUE, TRUE, 0);
+
+	/* Left */
+	s->margin_left = gtk_spin_button_new_with_range(0.0, 1024.0, 1.0);
+	gtk_table_attach_defaults(GTK_TABLE(table), s->margin_left,
+	                          0, 1, 1, 2);
+	g_signal_connect(G_OBJECT(s->margin_left), "value-changed",
+	                 G_CALLBACK(margin_left_changed_sig), s);
+
+	/* Up */
+	s->margin_top = gtk_spin_button_new_with_range(0.0, 1024.0, 1.0);
+	gtk_table_attach_defaults(GTK_TABLE(table), s->margin_top,
+	                          1, 2, 0, 1);
+	g_signal_connect(G_OBJECT(s->margin_top), "value-changed",
+	                 G_CALLBACK(margin_top_changed_sig), s);
+
+	/* Right */
+	s->margin_right = gtk_spin_button_new_with_range(0.0, 1024.0, 1.0);
+	gtk_table_attach_defaults(GTK_TABLE(table), s->margin_right,
+	                          2, 3, 1, 2);
+	g_signal_connect(G_OBJECT(s->margin_right), "value-changed",
+	                 G_CALLBACK(margin_right_changed_sig), s);
+
+	/* Down */
+	s->margin_bottom = gtk_spin_button_new_with_range(0.0, 1024.0, 1.0);
+	gtk_table_attach_defaults(GTK_TABLE(table), s->margin_bottom,
+	                          1, 2, 2, 3);
+	g_signal_connect(G_OBJECT(s->margin_bottom), "value-changed",
+	                 G_CALLBACK(margin_bottom_changed_sig), s);
+
+	/* Font/colour stuff */
+	label = gtk_label_new("Font:");
+	gtk_misc_set_alignment(GTK_MISC(label), 1.0, 0.5);
+	gtk_table_attach_defaults(GTK_TABLE(table), label, 0, 1, 3, 4);
+	s->text_font = gtk_font_button_new_with_font("Sans 12");
+	box = gtk_hbox_new(FALSE, 0);
+	gtk_table_attach_defaults(GTK_TABLE(table), box, 1, 2, 3, 4);
+	gtk_box_pack_start(GTK_BOX(box), s->text_font, FALSE, FALSE, 0);
+	g_signal_connect(G_OBJECT(s->text_font), "font-set",
+	                 G_CALLBACK(text_font_set_sig), s);
+
+	label = gtk_label_new("Colour:");
+	gtk_misc_set_alignment(GTK_MISC(label), 1.0, 0.5);
+	gtk_table_attach_defaults(GTK_TABLE(table), label, 0, 1, 4, 5);
+	s->text_colour = gtk_color_button_new();
+	box = gtk_hbox_new(FALSE, 0);
+	gtk_table_attach_defaults(GTK_TABLE(table), box, 1, 2, 4, 5);
+	gtk_box_pack_start(GTK_BOX(box), s->text_colour, FALSE, FALSE, 0);
+	g_signal_connect(G_OBJECT(s->text_colour), "color-set",
+	                 G_CALLBACK(text_colour_set_sig), s);
+
+	/* Force first update */
+	style_changed_sig(GTK_COMBO_BOX(combo), s);
+}
+
+
+
+static gint destroy_stylesheet_sig(GtkWidget *w, struct _stylesheetwindow *s)
+{
+	s->p->stylesheetwindow = NULL;
+	free(s);
+	return FALSE;
+}
+
+
+StylesheetWindow *open_stylesheet(struct presentation *p)
+{
+	struct _stylesheetwindow *s;
+	GtkWidget *nb;
+	GtkWidget *text_box;
+	GtkWidget *background_box;
+	GtkWidget *box;
+	GtkWidget *label;
+	GtkWidget *combo;
+
+	s = malloc(sizeof(*s));
+	if ( s == NULL ) return NULL;
+
+	s->p = p;
+	s->ss = p->ss;
+	s->cur_style = NULL;
+	s->cur_style = NULL;
+
+	s->window = gtk_dialog_new_with_buttons("Stylesheet",
+	                                   GTK_WINDOW(p->window), 0,
+	                                   GTK_STOCK_CLOSE, GTK_RESPONSE_ACCEPT,
+	                                   NULL);
+	gtk_dialog_set_has_separator(GTK_DIALOG(s->window), TRUE);
+
+	box = gtk_hbox_new(FALSE, 0);
+	gtk_box_pack_start(GTK_BOX(GTK_DIALOG(s->window)->vbox), box,
+	                   TRUE, TRUE, 0);
+
+	label = gtk_label_new("Slide template:");
+	gtk_misc_set_alignment(GTK_MISC(label), 1.0, 0.5);
+	gtk_box_pack_start(GTK_BOX(box), label, FALSE, FALSE, 0);
+	combo = gtk_combo_box_new_text();
+//	for ( i=0; i<s->ss->n_styles; i++ ) {
+//		gtk_combo_box_append_text(GTK_COMBO_BOX(combo),
+//		                          s->ss->styles[i]->name);
+//	}
+	gtk_combo_box_set_active(GTK_COMBO_BOX(combo), 0);
+//	g_signal_connect(G_OBJECT(combo), "changed",
+//	                 G_CALLBACK(template_changed_sig), s);
+	gtk_box_pack_start(GTK_BOX(box), combo, TRUE, TRUE, 0);
+
+	nb = gtk_notebook_new();
+	gtk_notebook_set_tab_pos(GTK_NOTEBOOK(nb), GTK_POS_TOP);
+	gtk_box_pack_start(GTK_BOX(GTK_DIALOG(s->window)->vbox), nb,
+	                   TRUE, TRUE, 0);
+
+	text_box = gtk_vbox_new(FALSE, 0);
+	gtk_container_set_border_width(GTK_CONTAINER(text_box), 12);
+	gtk_notebook_append_page(GTK_NOTEBOOK(nb), text_box,
+	                         gtk_label_new("Top Level Frames"));
+	do_layout(s, text_box);
+
+	background_box = gtk_vbox_new(FALSE, 0);
+	gtk_container_set_border_width(GTK_CONTAINER(background_box), 12);
+	gtk_notebook_append_page(GTK_NOTEBOOK(nb), background_box,
+	                         gtk_label_new("Background"));
+
+	g_signal_connect(G_OBJECT(s->window), "destroy",
+	                 G_CALLBACK(destroy_stylesheet_sig), s);
+	g_signal_connect(G_OBJECT(s->window), "response",
+	                 G_CALLBACK(gtk_widget_destroy), NULL);
+
+	gtk_widget_show_all(s->window);
+
+	return s;
+}