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gimp/app/devices.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <string.h>
#include <stdio.h>
#include "appenv.h"
#include "actionarea.h"
#include "brushes.h"
#include "devices.h"
#include "interface.h"
#include "gimprc.h"
#include "palette.h"
#include "tools.h"
typedef struct _DeviceInfo DeviceInfo;
struct _DeviceInfo {
guint32 device; /* device ID */
gchar *name;
short is_init; /* has the user used it? */
short is_present; /* is the device currently present */
/* gdk_input options - for not present devices */
GdkInputMode mode;
gint num_axes;
GdkAxisUse *axes;
gint num_keys;
GdkDeviceKey *keys;
GBrushP brush;
ToolType tool;
unsigned char foreground[3];
};
typedef struct _DeviceInfoDialog DeviceInfoDialog;
struct _DeviceInfoDialog {
int num_devices;
guint32 current;
guint32 *ids;
GtkWidget *shell;
GtkWidget *table;
GtkWidget **frames;
GtkWidget **tools;
GtkWidget **colors;
GtkWidget **brushes;
};
/* Local Data */
GList *devices_info = NULL;
DeviceInfoDialog *deviceD = NULL;
/* If true, don't update device information dialog */
int suppress_update = FALSE;
/* Local functions */
static void input_dialog_destroy_callback (GtkWidget *, gpointer);
void input_dialog_able_callback (GtkWidget *w, guint32 deviceid,
gpointer data);
static void devices_save_current_info (void);
static void devices_write_rc_device (DeviceInfo *device_info, FILE *fp);
static void devices_write_rc (void);
static void device_status_destroy_callback (void);
static void devices_close_callback (GtkWidget *, gpointer);
static void device_status_update_current ();
/* Global data */
int current_device = GDK_CORE_POINTER;
/* the action area structure */
static ActionAreaItem action_items[] =
{
{ "Close", devices_close_callback, NULL, NULL },
{ "Save", (ActionCallback)devices_write_rc, NULL, NULL },
};
void
create_input_dialog (void)
{
static GtkWidget *inputd = NULL;
if (!inputd)
{
inputd = gtk_input_dialog_new();
gtk_container_border_width (GTK_CONTAINER (GTK_DIALOG(inputd)->action_area), 2);
gtk_signal_connect (GTK_OBJECT(GTK_INPUT_DIALOG(inputd)->save_button),
"clicked",
GTK_SIGNAL_FUNC(devices_write_rc), NULL);
gtk_signal_connect (GTK_OBJECT(GTK_INPUT_DIALOG(inputd)->close_button),
"clicked",
GTK_SIGNAL_FUNC(devices_close_callback), inputd);
gtk_signal_connect (GTK_OBJECT(inputd), "destroy",
(GtkSignalFunc)input_dialog_destroy_callback,
&inputd);
gtk_signal_connect (GTK_OBJECT(inputd), "enable_device",
GTK_SIGNAL_FUNC(input_dialog_able_callback), NULL);
gtk_signal_connect (GTK_OBJECT(inputd), "disable_device",
GTK_SIGNAL_FUNC(input_dialog_able_callback), NULL);
gtk_widget_show (inputd);
}
else
{
if (!GTK_WIDGET_MAPPED(inputd))
gtk_widget_show(inputd);
else
gdk_window_raise(inputd->window);
}
}
void
input_dialog_able_callback (GtkWidget *w, guint32 deviceid, gpointer data)
{
device_status_update (deviceid);
}
static void
input_dialog_destroy_callback (GtkWidget *w,
gpointer call_data)
{
*((GtkWidget **)call_data) = NULL;
}
void
devices_init (void)
{
GList *tmp_list;
char *gimp_dir;
char filename[512];
/* Create device info structures for present devices */
tmp_list = gdk_input_list_devices ();
while (tmp_list)
{
GdkDeviceInfo *gdk_info = (GdkDeviceInfo *)tmp_list->data;
DeviceInfo *device_info = g_new (DeviceInfo, 1);
device_info->device = gdk_info->deviceid;
device_info->name = g_strdup (gdk_info->name);
device_info->is_init = FALSE;
device_info->is_present = TRUE;
device_info->mode = gdk_info->mode;
device_info->num_axes = gdk_info->num_axes;
device_info->axes = NULL;
device_info->brush = NULL;
device_info->tool = RECT_SELECT;
device_info->foreground[0] = 0;
device_info->foreground[1] = 0;
device_info->foreground[2] = 0;
devices_info = g_list_append (devices_info, device_info);
tmp_list = tmp_list->next;
}
/* Augment with information from rc file */
gimp_dir = gimp_directory ();
if (gimp_dir)
{
sprintf (filename, "%s/devicerc", gimp_dir);
parse_gimprc_file (filename);
}
}
void
devices_rc_update (gchar *name, DeviceValues values,
GdkInputMode mode, gint num_axes,
GdkAxisUse *axes, gint num_keys, GdkDeviceKey *keys,
gchar *brush_name, ToolType tool,
guchar foreground[])
{
GList *tmp_list;
DeviceInfo *device_info;
GBrushP brushp;
/* Find device if we have it */
tmp_list = devices_info;
device_info = NULL;
while (tmp_list)
{
if (!strcmp (((DeviceInfo *)tmp_list->data)->name, name))
{
device_info = (DeviceInfo *)tmp_list->data;
break;
}
tmp_list = tmp_list->next;
}
if (!device_info)
{
device_info = g_new (DeviceInfo, 1);
device_info->name = g_strdup (name);
device_info->is_present = FALSE;
if (values & DEVICE_AXES)
{
device_info->num_axes = num_axes;
device_info->axes = g_new (GdkAxisUse, num_axes);
memcpy (device_info->axes, axes, num_axes * sizeof (GdkAxisUse));
}
else
{
device_info->num_axes = 0;
device_info->axes = NULL;
}
if (values & DEVICE_KEYS)
{
device_info->num_keys = num_keys;
device_info->keys = g_new (GdkDeviceKey, num_keys);
memcpy (device_info->keys, axes, num_keys * sizeof (GdkDeviceKey));
}
if (values & DEVICE_MODE)
device_info->mode = mode;
else
device_info->mode = GDK_MODE_DISABLED;
device_info->brush = NULL;
device_info->tool = RECT_SELECT;
device_info->foreground[0] = 0;
device_info->foreground[1] = 0;
device_info->foreground[2] = 0;
devices_info = g_list_append (devices_info, device_info);
}
else
{
GdkDeviceInfo *gdk_info = NULL; /* Quiet gcc */
tmp_list = gdk_input_list_devices();
while (tmp_list)
{
GdkDeviceInfo *info = (GdkDeviceInfo *)tmp_list->data;
if (info->deviceid == device_info->device)
{
gdk_info = info;
break;
}
tmp_list = tmp_list->next;
}
if (gdk_info != NULL)
{
if (values & DEVICE_MODE)
gdk_input_set_mode (gdk_info->deviceid, mode);
if ((values & DEVICE_AXES) && num_axes >= gdk_info->num_axes)
gdk_input_set_axes (gdk_info->deviceid, axes);
if ((values & DEVICE_KEYS) && num_keys >= gdk_info->num_keys)
{
int i;
for (i=0; i<MAX (num_keys, gdk_info->num_keys); i++)
gdk_input_set_key (gdk_info->deviceid, i,
keys[i].keyval, keys[i].modifiers);
}
}
else
{
g_warning ("devices_rc_update called multiple times for not present device\n");
return;
}
}
if (values & (DEVICE_BRUSH | DEVICE_TOOL | DEVICE_FOREGROUND))
device_info->is_init = TRUE;
/* FIXME: this should probably be left in brushes.c */
if (values & DEVICE_BRUSH)
{
GSList *list;
device_info->brush = NULL;
list = brush_list;
while (list)
{
brushp = (GBrushP) list->data;
if (!strcmp (brushp->name, brush_name))
{
device_info->brush = brushp;
break;
}
list = g_slist_next (list);
}
}
if (values & DEVICE_TOOL)
device_info->tool = tool;
if (values & DEVICE_FOREGROUND)
{
device_info->foreground[0] = foreground[0];
device_info->foreground[1] = foreground[1];
device_info->foreground[2] = foreground[2];
}
}
void
select_device (guint32 new_device)
{
GList *tmp_list;
DeviceInfo *device_info;
suppress_update = TRUE;
/* store old information */
devices_save_current_info();
/* Now see if there is already information about the new device */
tmp_list = devices_info;
device_info = NULL;
while (tmp_list)
{
if (((DeviceInfo *)tmp_list->data)->device == new_device)
{
device_info = (DeviceInfo *)tmp_list->data;
break;
}
tmp_list = tmp_list->next;
}
current_device = new_device;
if (device_info->is_init)
{
if (device_info->brush)
select_brush (device_info->brush);
gtk_widget_activate (tool_info[(int) device_info->tool].tool_widget);
palette_set_foreground (device_info->foreground[0],
device_info->foreground[1],
device_info->foreground[2]);
}
suppress_update = FALSE;
device_status_update_current ();
}
gint
devices_check_change (GdkEvent *event)
{
guint32 device;
switch (event->type)
{
case GDK_MOTION_NOTIFY:
device = ((GdkEventMotion *)event)->deviceid;
break;
case GDK_BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
device = ((GdkEventButton *)event)->deviceid;
break;
case GDK_PROXIMITY_OUT:
device = ((GdkEventProximity *)event)->deviceid;
break;
default:
device = current_device;
}
if (device != current_device)
{
select_device (device);
return TRUE;
}
else
return FALSE;
}
static void
devices_save_current_info (void)
{
GList *tmp_list;
DeviceInfo *device_info;
tmp_list = devices_info;
device_info = NULL;
while (tmp_list)
{
if (((DeviceInfo *)tmp_list->data)->device == current_device)
{
device_info = (DeviceInfo *)tmp_list->data;
break;
}
tmp_list = tmp_list->next;
}
device_info->is_init = TRUE;
device_info->device = current_device;
device_info->brush = get_active_brush ();
if (active_tool_type >= 0)
device_info->tool = active_tool_type;
else
device_info->tool = RECT_SELECT;
palette_get_foreground (&device_info->foreground[0],
&device_info->foreground[1],
&device_info->foreground[2]);
}
static void
devices_write_rc_device (DeviceInfo *device_info, FILE *fp)
{
GdkDeviceInfo *gdk_info;
GList *tmp_list;
gchar *mode = NULL; /* Quiet gcc */
int i;
gdk_info = NULL;
if (device_info->is_present)
{
/* gdk_input_list_devices returns an internal list, so we shouldn't
free it afterwards */
tmp_list = gdk_input_list_devices();
while (tmp_list)
{
GdkDeviceInfo *info = (GdkDeviceInfo *)tmp_list->data;
if (info->deviceid == device_info->device)
{
gdk_info = info;
break;
}
tmp_list = tmp_list->next;
}
}
fprintf(fp, "(device \"%s\"",device_info->name);
switch (gdk_info ? gdk_info->mode : device_info->mode)
{
case GDK_MODE_DISABLED:
mode = "disabled";
break;
case GDK_MODE_SCREEN:
mode = "screen";
break;
case GDK_MODE_WINDOW:
mode = "window";
break;
}
fprintf(fp, "\n (mode %s)",mode);
fprintf(fp, "\n (axes %d",gdk_info ? gdk_info->num_axes : device_info->num_axes);
for (i=0; i<(gdk_info ? gdk_info->num_axes : device_info->num_axes); i++)
{
gchar *axis_type = NULL; /* Quiet gcc */
switch (gdk_info ? gdk_info->axes[i] : device_info->axes[i])
{
case GDK_AXIS_IGNORE:
axis_type = "ignore";
break;
case GDK_AXIS_X:
axis_type = "x";
break;
case GDK_AXIS_Y:
axis_type = "y";
break;
case GDK_AXIS_PRESSURE:
axis_type = "pressure";
break;
case GDK_AXIS_XTILT:
axis_type = "xtilt";
break;
case GDK_AXIS_YTILT:
axis_type = "ytilt";
break;
}
fprintf(fp, " %s",axis_type);
}
fprintf(fp,")");
fprintf(fp, "\n (keys %d", gdk_info ? gdk_info->num_keys : device_info->num_keys);
for (i=0; i<(gdk_info ? gdk_info->num_keys : device_info->num_keys); i++)
{
GdkModifierType modifiers = gdk_info ? gdk_info->keys[i].modifiers :
device_info->keys[i].modifiers;
guint keyval = gdk_info ? gdk_info->keys[i].keyval :
device_info->keys[i].keyval;
if (keyval)
{
/* FIXME: integrate this back with menus_install_accelerator */
char accel[64];
char t2[2];
accel[0] = '\0';
if (modifiers & GDK_CONTROL_MASK)
strcat (accel, "<control>");
if (modifiers & GDK_SHIFT_MASK)
strcat (accel, "<shift>");
if (modifiers & GDK_MOD1_MASK)
strcat (accel, "<alt>");
t2[0] = keyval;
t2[1] = '\0';
strcat (accel, t2);
fprintf (fp, " \"%s\"",accel);
}
else
fprintf (fp, " \"\"");
}
fprintf(fp,")");
if (device_info->is_init)
{
fprintf(fp, "\n (brush \"%s\")",device_info->brush->name);
fprintf(fp, "\n (tool \"%s\")",
tool_info[device_info->tool].tool_name);
fprintf(fp, "\n (foreground %d %d %d)",
device_info->foreground[0],
device_info->foreground[1],
device_info->foreground[2]);
}
fprintf(fp,")\n");
}
static void
devices_write_rc (void)
{
char *gimp_dir;
char filename[512];
FILE *fp;
devices_save_current_info();
gimp_dir = gimp_directory ();
if ('\000' != gimp_dir[0])
{
sprintf (filename, "%s/devicerc", gimp_dir);
fp = fopen (filename, "w");
if (!fp)
return;
g_list_foreach (devices_info, (GFunc)devices_write_rc_device, fp);
fclose (fp);
}
}
void
create_device_status (void)
{
GtkWidget *label;
GList *tmp_list;
DeviceInfo *device_info;
int i;
if (deviceD == NULL)
{
deviceD = g_new (DeviceInfoDialog, 1);
deviceD->shell = gtk_dialog_new ();
gtk_window_set_title (GTK_WINDOW(deviceD->shell), "Device Status");
gtk_window_set_policy (GTK_WINDOW (deviceD->shell), FALSE, FALSE, TRUE);
deviceD->num_devices = 0;
tmp_list = devices_info;
while (tmp_list)
{
if (((DeviceInfo *)tmp_list->data)->is_present)
deviceD->num_devices++;
tmp_list = tmp_list->next;
}
deviceD->table = gtk_table_new (deviceD->num_devices, 4, FALSE);
gtk_container_border_width (GTK_CONTAINER(deviceD->table), 3);
gtk_container_add (GTK_CONTAINER(GTK_DIALOG(deviceD->shell)->vbox),
deviceD->table);
gtk_widget_realize (deviceD->table);
gtk_widget_show (deviceD->table);
deviceD->ids = g_new (guint32, deviceD->num_devices);
deviceD->frames = g_new (GtkWidget *, deviceD->num_devices);
deviceD->tools = g_new (GtkWidget *, deviceD->num_devices);
deviceD->colors = g_new (GtkWidget *, deviceD->num_devices);
deviceD->brushes = g_new (GtkWidget *, deviceD->num_devices);
tmp_list = devices_info;
i=0;
while (tmp_list)
{
if (!((DeviceInfo *)tmp_list->data)->is_present)
{
tmp_list = tmp_list->next;
i++;
continue;
}
device_info = (DeviceInfo *)tmp_list->data;
deviceD->ids[i] = device_info->device;
deviceD->frames[i] = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME(deviceD->frames[i]), GTK_SHADOW_OUT);
gtk_table_attach (GTK_TABLE(deviceD->table), deviceD->frames[i],
0, 1, i, i+1,
GTK_FILL, GTK_FILL, 2, 0);
label = gtk_label_new (device_info->name);
gtk_misc_set_padding (GTK_MISC(label), 2, 0);
gtk_container_add (GTK_CONTAINER(deviceD->frames[i]), label);
gtk_widget_show(label);
deviceD->tools[i] = gtk_pixmap_new (create_tool_pixmap(deviceD->table,
RECT_SELECT),
NULL);
gtk_table_attach (GTK_TABLE(deviceD->table), deviceD->tools[i],
1, 2, i, i+1,
0, 0, 2, 2);
deviceD->colors[i] = gtk_preview_new (GTK_PREVIEW_COLOR);
gtk_preview_size (GTK_PREVIEW (deviceD->colors[i]), 20, 20);
gtk_table_attach (GTK_TABLE(deviceD->table), deviceD->colors[i],
2, 3, i, i+1,
0, 0, 2, 2);
deviceD->brushes[i] = gtk_label_new ("");
gtk_table_attach (GTK_TABLE(deviceD->table), deviceD->brushes[i],
3, 4, i, i+1,
0, 0, 2, 2);
if (device_info->is_present)
device_status_update (device_info->device);
tmp_list = tmp_list->next;
i++;
}
action_items[0].user_data = deviceD->shell;
build_action_area (GTK_DIALOG (deviceD->shell), action_items, 2, 0);
deviceD->current = 0xffffffff; /* random, but doesn't matter */
device_status_update_current ();
gtk_widget_show (deviceD->shell);
gtk_signal_connect (GTK_OBJECT (deviceD->shell), "destroy",
GTK_SIGNAL_FUNC(device_status_destroy_callback),
NULL);
}
else
{
if (!GTK_WIDGET_MAPPED(deviceD->shell))
gtk_widget_show(deviceD->shell);
else
gdk_window_raise(deviceD->shell->window);
}
}
static void
device_status_destroy_callback (void)
{
g_free(deviceD->ids);
g_free(deviceD->frames);
g_free(deviceD->tools);
g_free(deviceD->colors);
g_free(deviceD->brushes);
g_free(deviceD);
deviceD = NULL;
}
static void
devices_close_callback (GtkWidget *w,
gpointer data)
{
gtk_widget_hide (GTK_WIDGET(data));
}
static void
device_status_update_current ()
{
int i;
if (deviceD)
{
for (i=0; i<deviceD->num_devices; i++)
{
if (deviceD->ids[i] == deviceD->current)
gtk_frame_set_shadow_type (GTK_FRAME(deviceD->frames[i]),
GTK_SHADOW_OUT);
else if (deviceD->ids[i] == current_device)
gtk_frame_set_shadow_type (GTK_FRAME(deviceD->frames[i]),
GTK_SHADOW_IN);
}
deviceD->current = current_device;
}
}
void
device_status_update (guint32 deviceid)
{
int i, j;
guchar buffer[20*3];
GList *tmp_list;
DeviceInfo *device_info;
GdkDeviceInfo *gdk_info;
if (deviceD && !suppress_update)
{
if (deviceid == current_device)
{
devices_save_current_info();
}
tmp_list = devices_info;
while (tmp_list)
{
device_info = (DeviceInfo *)tmp_list->data;
if (device_info->device == deviceid)
break;
tmp_list = tmp_list->next;
}
g_return_if_fail (tmp_list != NULL);
tmp_list = gdk_input_list_devices();
while (tmp_list)
{
gdk_info = (GdkDeviceInfo *)tmp_list->data;
if (gdk_info->deviceid == deviceid)
break;
tmp_list = tmp_list->next;
}
g_return_if_fail (tmp_list != NULL);
for (i=0; i<deviceD->num_devices; i++)
{
if (deviceD->ids[i] == deviceid)
break;
}
g_return_if_fail (i<deviceD->num_devices);
if (gdk_info->mode == GDK_MODE_DISABLED)
{
gtk_widget_hide (deviceD->frames[i]);
gtk_widget_hide (deviceD->tools[i]);
gtk_widget_hide (deviceD->colors[i]);
gtk_widget_hide (deviceD->brushes[i]);
}
else
{
gtk_widget_show (deviceD->frames[i]);
gtk_pixmap_set (GTK_PIXMAP (deviceD->tools[i]),
create_tool_pixmap (deviceD->table,
device_info->tool),
NULL);
gtk_widget_draw (deviceD->tools[i], NULL);
gtk_widget_show (deviceD->tools[i]);
for (j=0;j<20*3;j+=3)
{
buffer[j] = device_info->foreground[0];
buffer[j+1] = device_info->foreground[1];
buffer[j+2] = device_info->foreground[2];
}
for (j=0;j<20;j++)
gtk_preview_draw_row (GTK_PREVIEW(deviceD->colors[i]), buffer,
0, j, 20);
gtk_widget_draw (deviceD->colors[i], NULL);
gtk_widget_show (deviceD->colors[i]);
if (device_info->brush)
gtk_label_set (GTK_LABEL (deviceD->brushes[i]), device_info->brush->name);
else
gtk_label_set (GTK_LABEL (deviceD->brushes[i]), "");
gtk_widget_show (deviceD->brushes[i]);
}
}
}
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