diff options
Diffstat (limited to 'gtk/testinput.c')
| -rw-r--r-- | gtk/testinput.c | 393 |
1 files changed, 0 insertions, 393 deletions
diff --git a/gtk/testinput.c b/gtk/testinput.c deleted file mode 100644 index 4801c31250..0000000000 --- a/gtk/testinput.c +++ /dev/null @@ -1,393 +0,0 @@ -/* GTK - The GIMP Toolkit - * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -/* - * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS - * file for a list of people on the GTK+ Team. See the ChangeLog - * files for a list of changes. These files are distributed with - * GTK+ at ftp://ftp.gtk.org/pub/gtk/. - */ - -#include <stdio.h> -#include "gtk.h" - -/* Backing pixmap for drawing area */ - -static GdkPixmap *pixmap = NULL; - -/* Information about cursor */ - -static gint cursor_proximity = TRUE; -static gdouble cursor_x; -static gdouble cursor_y; - -/* Unique ID of current device */ -static GdkDevice *current_device; - -/* Erase the old cursor, and/or draw a new one, if necessary */ -static void -update_cursor (GtkWidget *widget, gdouble x, gdouble y) -{ - static gint cursor_present = 0; - gint state = !current_device->has_cursor && cursor_proximity; - - if (pixmap != NULL) - { - if (cursor_present && (cursor_present != state || - x != cursor_x || y != cursor_y)) - { - gdk_draw_pixmap(widget->window, - widget->style->fg_gc[GTK_WIDGET_STATE (widget)], - pixmap, - cursor_x - 5, cursor_y - 5, - cursor_x - 5, cursor_y - 5, - 10, 10); - } - - cursor_present = state; - cursor_x = x; - cursor_y = y; - - if (cursor_present) - { - gdk_draw_rectangle (widget->window, - widget->style->black_gc, - TRUE, - cursor_x - 5, cursor_y -5, - 10, 10); - } - } -} - -/* Create a new backing pixmap of the appropriate size */ -static gint -configure_event (GtkWidget *widget, GdkEventConfigure *event) -{ - if (pixmap) - gdk_pixmap_unref (pixmap); - pixmap = gdk_pixmap_new(widget->window, - widget->allocation.width, - widget->allocation.height, - -1); - gdk_draw_rectangle (pixmap, - widget->style->white_gc, - TRUE, - 0, 0, - widget->allocation.width, - widget->allocation.height); - - return TRUE; -} - -/* Refill the screen from the backing pixmap */ -static gint -expose_event (GtkWidget *widget, GdkEventExpose *event) -{ - gdk_draw_pixmap(widget->window, - widget->style->fg_gc[GTK_WIDGET_STATE (widget)], - pixmap, - event->area.x, event->area.y, - event->area.x, event->area.y, - event->area.width, event->area.height); - - return FALSE; -} - -/* Draw a rectangle on the screen, size depending on pressure, - and color on the type of device */ -static void -draw_brush (GtkWidget *widget, GdkInputSource source, - gdouble x, gdouble y, gdouble pressure) -{ - GdkGC *gc; - GdkRectangle update_rect; - - switch (source) - { - case GDK_SOURCE_MOUSE: - gc = widget->style->dark_gc[GTK_WIDGET_STATE (widget)]; - break; - case GDK_SOURCE_PEN: - gc = widget->style->black_gc; - break; - case GDK_SOURCE_ERASER: - gc = widget->style->white_gc; - break; - default: - gc = widget->style->light_gc[GTK_WIDGET_STATE (widget)]; - } - - update_rect.x = x - 10 * pressure; - update_rect.y = y - 10 * pressure; - update_rect.width = 20 * pressure; - update_rect.height = 20 * pressure; - gdk_draw_rectangle (pixmap, gc, TRUE, - update_rect.x, update_rect.y, - update_rect.width, update_rect.height); - gtk_widget_draw (widget, &update_rect); -} - -static guint32 motion_time; - -static void -print_axes (GdkDevice *device, gdouble *axes) -{ - int i; - - if (axes) - { - g_print ("%s ", device->name); - - for (i=0; i<device->num_axes; i++) - g_print ("%g ", axes[i]); - - g_print ("\n"); - } -} - -static gint -button_press_event (GtkWidget *widget, GdkEventButton *event) -{ - current_device = event->device; - cursor_proximity = TRUE; - - if (event->button == 1 && pixmap != NULL) - { - gdouble pressure = 0.5; - - print_axes (event->device, event->axes); - gdk_event_get_axis ((GdkEvent *)event, GDK_AXIS_PRESSURE, &pressure); - draw_brush (widget, event->device->source, event->x, event->y, pressure); - - motion_time = event->time; - } - - update_cursor (widget, event->x, event->y); - - return TRUE; -} - -static gint -key_press_event (GtkWidget *widget, GdkEventKey *event) -{ - if ((event->keyval >= 0x20) && (event->keyval <= 0xFF)) - printf("I got a %c\n", event->keyval); - else - printf("I got some other key\n"); - - return TRUE; -} - -static gint -motion_notify_event (GtkWidget *widget, GdkEventMotion *event) -{ - GdkTimeCoord **events; - int n_events; - int i; - - current_device = event->device; - cursor_proximity = TRUE; - - if (event->state & GDK_BUTTON1_MASK && pixmap != NULL) - { - if (gdk_device_get_history (event->device, event->window, - motion_time, event->time, - &events, &n_events)) - { - for (i=0; i<n_events; i++) - { - double x = 0, y = 0, pressure = 0.5; - - gdk_device_get_axis (event->device, events[i]->axes, GDK_AXIS_X, &x); - gdk_device_get_axis (event->device, events[i]->axes, GDK_AXIS_Y, &y); - gdk_device_get_axis (event->device, events[i]->axes, GDK_AXIS_PRESSURE, &pressure); - draw_brush (widget, event->device->source, x, y, pressure); - - print_axes (event->device, events[i]->axes); - } - gdk_device_free_history (events, n_events); - } - else - { - double pressure = 0.5; - - gdk_event_get_axis ((GdkEvent *)event, GDK_AXIS_PRESSURE, &pressure); - - draw_brush (widget, event->device->source, event->x, event->y, pressure); - } - motion_time = event->time; - } - - if (event->is_hint) - gdk_device_get_state (event->device, event->window, NULL, NULL); - - print_axes (event->device, event->axes); - update_cursor (widget, event->x, event->y); - - return TRUE; -} - -/* We track the next two events to know when we need to draw a - cursor */ - -static gint -proximity_out_event (GtkWidget *widget, GdkEventProximity *event) -{ - cursor_proximity = FALSE; - update_cursor (widget, cursor_x, cursor_y); - return TRUE; -} - -static gint -leave_notify_event (GtkWidget *widget, GdkEventCrossing *event) -{ - cursor_proximity = FALSE; - update_cursor (widget, cursor_x, cursor_y); - return TRUE; -} - -void -input_dialog_destroy (GtkWidget *w, gpointer data) -{ - *((GtkWidget **)data) = NULL; -} - -void -create_input_dialog (void) -{ - static GtkWidget *inputd = NULL; - - if (!inputd) - { - inputd = gtk_input_dialog_new(); - - gtk_signal_connect (GTK_OBJECT(inputd), "destroy", - (GtkSignalFunc)input_dialog_destroy, &inputd); - gtk_signal_connect_object (GTK_OBJECT(GTK_INPUT_DIALOG(inputd)->close_button), - "clicked", - (GtkSignalFunc)gtk_widget_hide, - GTK_OBJECT(inputd)); - gtk_widget_hide (GTK_INPUT_DIALOG(inputd)->save_button); - - gtk_widget_show (inputd); - } - else - { - if (!GTK_WIDGET_MAPPED(inputd)) - gtk_widget_show(inputd); - else - gdk_window_raise(inputd->window); - } -} - -void -quit (void) -{ - gtk_exit (0); -} - -int -main (int argc, char *argv[]) -{ - GtkWidget *window; - GtkWidget *drawing_area; - GtkWidget *vbox; - - GtkWidget *button; - - gtk_init (&argc, &argv); - - current_device = gdk_core_pointer; - - window = gtk_window_new (GTK_WINDOW_TOPLEVEL); - gtk_widget_set_name (window, "Test Input"); - - vbox = gtk_vbox_new (FALSE, 0); - gtk_container_add (GTK_CONTAINER (window), vbox); - gtk_widget_show (vbox); - - gtk_signal_connect (GTK_OBJECT (window), "destroy", - GTK_SIGNAL_FUNC (quit), NULL); - - /* Create the drawing area */ - - drawing_area = gtk_drawing_area_new (); - gtk_drawing_area_size (GTK_DRAWING_AREA (drawing_area), 200, 200); - gtk_box_pack_start (GTK_BOX (vbox), drawing_area, TRUE, TRUE, 0); - - gtk_widget_show (drawing_area); - - /* Signals used to handle backing pixmap */ - - gtk_signal_connect (GTK_OBJECT (drawing_area), "expose_event", - (GtkSignalFunc) expose_event, NULL); - gtk_signal_connect (GTK_OBJECT(drawing_area),"configure_event", - (GtkSignalFunc) configure_event, NULL); - - /* Event signals */ - - gtk_signal_connect (GTK_OBJECT (drawing_area), "motion_notify_event", - (GtkSignalFunc) motion_notify_event, NULL); - gtk_signal_connect (GTK_OBJECT (drawing_area), "button_press_event", - (GtkSignalFunc) button_press_event, NULL); - gtk_signal_connect (GTK_OBJECT (drawing_area), "key_press_event", - (GtkSignalFunc) key_press_event, NULL); - - gtk_signal_connect (GTK_OBJECT (drawing_area), "leave_notify_event", - (GtkSignalFunc) leave_notify_event, NULL); - gtk_signal_connect (GTK_OBJECT (drawing_area), "proximity_out_event", - (GtkSignalFunc) proximity_out_event, NULL); - - gtk_widget_set_events (drawing_area, GDK_EXPOSURE_MASK - | GDK_LEAVE_NOTIFY_MASK - | GDK_BUTTON_PRESS_MASK - | GDK_KEY_PRESS_MASK - | GDK_POINTER_MOTION_MASK - | GDK_POINTER_MOTION_HINT_MASK - | GDK_PROXIMITY_OUT_MASK); - - /* The following call enables tracking and processing of extension - events for the drawing area */ - gtk_widget_set_extension_events (drawing_area, GDK_EXTENSION_EVENTS_ALL); - - GTK_WIDGET_SET_FLAGS (drawing_area, GTK_CAN_FOCUS); - gtk_widget_grab_focus (drawing_area); - - /* .. And create some buttons */ - button = gtk_button_new_with_label ("Input Dialog"); - gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0); - - gtk_signal_connect (GTK_OBJECT (button), "clicked", - GTK_SIGNAL_FUNC (create_input_dialog), NULL); - gtk_widget_show (button); - - button = gtk_button_new_with_label ("Quit"); - gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0); - - gtk_signal_connect_object (GTK_OBJECT (button), "clicked", - GTK_SIGNAL_FUNC (gtk_widget_destroy), - GTK_OBJECT (window)); - gtk_widget_show (button); - - gtk_widget_show (window); - - gtk_main (); - - return 0; -} |