mirror of https://github.com/GNOME/gimp.git
260 lines
6.7 KiB
C
260 lines
6.7 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <string.h>
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#include "gtk/gtk.h"
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#include "tips_dialog.h"
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#include "gimprc.h"
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#include "interface.h"
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#include "wilber.h"
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#define TIPS_FILE_NAME "gimp_tips.txt"
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static int tips_dialog_hide (GtkWidget *widget, gpointer data);
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static int tips_show_next (GtkWidget *widget, gpointer data);
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static void tips_toggle_update (GtkWidget *widget, gpointer data);
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static void read_tips_file(char *filename);
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static GtkWidget *tips_dialog = NULL;
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static GtkWidget *tips_label;
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static char ** tips_text = NULL;
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static int tips_count = 0;
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static int old_show_tips;
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void
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tips_dialog_create ()
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{
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GtkWidget *vbox;
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GtkWidget *hbox1;
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GtkWidget *hbox2;
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GtkWidget *preview;
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GtkWidget *button_close;
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GtkWidget *button_next;
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GtkWidget *button_prev;
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GtkWidget *button_check;
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guchar * temp;
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guchar * src;
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guchar * dest;
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int x;
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int y;
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if (tips_count == 0)
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{
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temp = g_malloc (512);
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sprintf ((char *)temp, "%s/%s", DATADIR, TIPS_FILE_NAME);
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read_tips_file ((char *)temp);
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g_free (temp);
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}
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if (last_tip >= tips_count || last_tip < 0)
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last_tip = 0;
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if (!tips_dialog)
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{
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tips_dialog = gtk_window_new (GTK_WINDOW_DIALOG);
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gtk_window_set_wmclass (GTK_WINDOW (tips_dialog), "tip_of_the_day", "Gimp");
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gtk_window_set_title (GTK_WINDOW (tips_dialog), "GIMP Tip of the day");
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gtk_window_position (GTK_WINDOW (tips_dialog), GTK_WIN_POS_CENTER);
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gtk_signal_connect (GTK_OBJECT (tips_dialog), "delete_event",
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GTK_SIGNAL_FUNC (tips_dialog_hide), NULL);
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/* destroy the tips window if the mainlevel gtk_main() function is left */
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gtk_quit_add_destroy (1, GTK_OBJECT (tips_dialog));
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vbox = gtk_vbox_new (FALSE, 0);
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gtk_container_add (GTK_CONTAINER (tips_dialog), vbox);
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gtk_widget_show (vbox);
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hbox1 = gtk_hbox_new (FALSE, 5);
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gtk_container_border_width (GTK_CONTAINER (hbox1), 10);
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gtk_box_pack_start (GTK_BOX (vbox), hbox1, FALSE, TRUE, 0);
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gtk_widget_show (hbox1);
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hbox2 = gtk_hbox_new (FALSE, 5);
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gtk_container_border_width (GTK_CONTAINER (hbox2), 10);
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gtk_box_pack_end (GTK_BOX (vbox), hbox2, FALSE, TRUE, 0);
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gtk_widget_show (hbox2);
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preview = gtk_preview_new (GTK_PREVIEW_COLOR);
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gtk_preview_size (GTK_PREVIEW (preview), wilber_width, wilber_height);
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temp = g_malloc (wilber_width * 3);
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src = (guchar *)wilber_data;
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for (y = 0; y < wilber_height; y++)
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{
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dest = temp;
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for (x = 0; x < wilber_width; x++)
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{
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HEADER_PIXEL(src, dest);
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dest += 3;
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}
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gtk_preview_draw_row (GTK_PREVIEW (preview), temp,
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0, y, wilber_width);
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}
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g_free(temp);
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gtk_box_pack_end (GTK_BOX (hbox1), preview, FALSE, TRUE, 3);
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gtk_widget_show (preview);
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tips_label = gtk_label_new (tips_text[last_tip]);
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gtk_label_set_justify (GTK_LABEL (tips_label), GTK_JUSTIFY_LEFT);
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gtk_box_pack_start (GTK_BOX (hbox1), tips_label, TRUE, TRUE, 3);
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gtk_widget_show (tips_label);
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button_close = gtk_button_new_with_label ("Close");
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gtk_signal_connect (GTK_OBJECT (button_close), "clicked",
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GTK_SIGNAL_FUNC (tips_dialog_hide), NULL);
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gtk_box_pack_end (GTK_BOX (hbox2), button_close, FALSE, TRUE, 0);
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gtk_widget_show (button_close);
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button_next = gtk_button_new_with_label ("Next Tip");
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gtk_signal_connect (GTK_OBJECT (button_next), "clicked",
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GTK_SIGNAL_FUNC (tips_show_next),
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(gpointer) "next");
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gtk_box_pack_end (GTK_BOX (hbox2), button_next, FALSE, TRUE, 0);
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gtk_widget_show (button_next);
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button_prev = gtk_button_new_with_label ("Prev. Tip");
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gtk_signal_connect (GTK_OBJECT (button_prev), "clicked",
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GTK_SIGNAL_FUNC (tips_show_next),
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(gpointer) "prev");
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gtk_box_pack_end (GTK_BOX (hbox2), button_prev, FALSE, TRUE, 0);
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gtk_widget_show (button_prev);
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button_check = gtk_check_button_new_with_label ("Show tip next time");
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gtk_toggle_button_set_state (GTK_TOGGLE_BUTTON (button_check),
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show_tips);
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gtk_signal_connect (GTK_OBJECT (button_check), "toggled",
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GTK_SIGNAL_FUNC (tips_toggle_update),
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(gpointer) &show_tips);
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gtk_box_pack_start (GTK_BOX (hbox2), button_check, FALSE, TRUE, 0);
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gtk_widget_show (button_check);
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old_show_tips = show_tips;
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}
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if (!GTK_WIDGET_VISIBLE (tips_dialog))
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{
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gtk_widget_show (tips_dialog);
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}
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else
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{
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gdk_window_raise (tips_dialog->window);
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}
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}
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static int
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tips_dialog_hide (GtkWidget *widget,
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gpointer data)
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{
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GList *update = NULL; /* options that should be updated in .gimprc */
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GList *remove = NULL; /* options that should be commented out */
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gtk_widget_hide (tips_dialog);
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update = g_list_append (update, "last-tip-shown"); /* always save this */
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if (show_tips != old_show_tips)
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{
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update = g_list_append (update, "show-tips");
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remove = g_list_append (remove, "dont-show-tips");
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old_show_tips = show_tips;
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}
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last_tip++;
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save_gimprc (&update, &remove);
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last_tip--;
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g_list_free (update);
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g_list_free (remove);
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return TRUE;
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}
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static int
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tips_show_next (GtkWidget *widget,
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gpointer data)
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{
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if (!strcmp ((char *)data, "prev"))
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{
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last_tip--;
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if (last_tip < 0)
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last_tip = tips_count - 1;
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}
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else
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{
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last_tip++;
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if (last_tip >= tips_count)
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last_tip = 0;
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}
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gtk_label_set (GTK_LABEL (tips_label), tips_text[last_tip]);
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return FALSE;
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}
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static void
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tips_toggle_update (GtkWidget *widget,
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gpointer data)
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{
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int *toggle_val;
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toggle_val = (int *) data;
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if (GTK_TOGGLE_BUTTON (widget)->active)
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*toggle_val = TRUE;
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else
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*toggle_val = FALSE;
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}
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static void
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store_tip (char *str)
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{
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tips_count++;
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tips_text = g_realloc(tips_text, sizeof(char *) * tips_count);
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tips_text[tips_count - 1] = str;
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}
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static void
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read_tips_file (char *filename)
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{
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FILE *fp;
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char *tip = NULL;
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char *str = NULL;
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fp = fopen (filename, "rt");
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if (!fp)
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{
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store_tip ("Your GIMP tips file appears to be missing!\n"
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"There should be a file called " TIPS_FILE_NAME " in the\n"
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"GIMP data directory. Please check your installation.");
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return;
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}
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str = g_new (char, 1024);
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while (!feof (fp))
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{
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if (!fgets (str, 1024, fp))
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continue;
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if (str[0] == '#' || str[0] == '\n')
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{
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if (tip != NULL)
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{
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tip[strlen (tip) - 1] = '\000';
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store_tip (tip);
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tip = NULL;
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}
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}
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else
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{
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if (tip == NULL)
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{
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tip = g_malloc (strlen (str) + 1);
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strcpy (tip, str);
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}
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else
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{
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tip = g_realloc (tip, strlen (tip) + strlen (str) + 1);
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strcat (tip, str);
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}
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}
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}
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if (tip != NULL)
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store_tip (tip);
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g_free (str);
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fclose (fp);
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}
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