/* handles the mouse button being released inside the drawing area
calls the apropriate tool function, or none */
static gint
button_release_event(GtkWidget *widget, GdkEventButton *event )
{
double x, y;
if (deleting_placename) {
do_delete_placename(current_place);
return TRUE;
}
if (adding_placename) {
x = pix_x_to_map(event->x)*map->config.resolution;
y = pix_y_to_map(event->y)*map->config.resolution;
start_add_placename(x, y);
return TRUE;
}
if (adding_door) {
x = pix_x_to_map(event->x)*map->config.resolution;
y = pix_y_to_map(event->y)*map->config.resolution;
if (adding_door == 2)
start_add_door(x, y);
else
finish_add_door(x, y);
return TRUE;
}
if (event->button == 1 && tmp_pixmap != NULL)
switch(utensil)
{
case CARMEN_MAP_RECTANGLE:
creating_rectangle(widget, 2, event->x, event->y);
break;
case CARMEN_MAP_CROP:
cropping(widget, 2, event->x, event->y);
break;
case CARMEN_MAP_LINE:
creating_line(2, event->x, event->y);
break;
case CARMEN_MAP_MOVER:
move(2, event->x, event->y);
default:
break;
}
redraw();
return 1;
}
/* handles the mouse moving in the drawing area
only calls the appropriate tool function if the mouse button is down.
always sets the cursor to the appropriate symbol */
static gint
motion_notify_event( GtkWidget *widget, GdkEventMotion *event )
{
int x, y;
GdkModifierType state;
static char label_buffer[255];
static carmen_map_point_t map_point;
static carmen_world_point_t world_point;
gtk_propagate_event(GTK_WIDGET(vrule), (GdkEvent *)event);
gtk_propagate_event(GTK_WIDGET(hrule), (GdkEvent *)event);
map_to_tmp();
if (event->is_hint)
gdk_window_get_pointer (event->window, &x, &y, &state);
else
{
x = event->x;
y = event->y;
state = event->state;
}
map_point.x = pix_x_to_map(x);
map_point.y = pix_y_to_map(y);
map_point.map = map;
carmen_map_to_world(&map_point, &world_point);
sprintf(label_buffer, "X: %6.2f Y: %6.2f", world_point.pose.x,
world_point.pose.y);
gtk_label_set_text(GTK_LABEL(coords_label), label_buffer);
if (tmp_pixmap == NULL)
return TRUE;
if (deleting_placename)
{
handle_deleting_placename_move(map_point.x, map_point.y);
}
else if ((state & GDK_BUTTON1_MASK))
{
switch(utensil)
{
case CARMEN_MAP_BRUSH:
draw_brush (widget, x, y);
x = x/mult - brush_size + .5;
y = y/mult - brush_size + .5;
break;
case CARMEN_MAP_RECTANGLE:
creating_rectangle(widget, 1, x, y);
break;
case CARMEN_MAP_CROP:
cropping(widget, 1, x, y);
break;
case CARMEN_MAP_LINE:
creating_line(1, x, y);
break;
case CARMEN_MAP_EYEDROPPER:
sample(x, y);
break;
case CARMEN_MAP_MOVER:
move(1, x, y);
default:
break;
}
}
redraw();
return TRUE;
}
/* handles a button press event in the drawing area.
calls the apropriate tool depending upon utensil's setting
also creates a backup for undo and incrememnts modified if necessary */
static gint
button_press_event( GtkWidget *widget, GdkEventButton *event )
{
if(tmp_pixmap == NULL)
return -1;
if (deleting_placename)
return TRUE;
if (adding_placename)
return TRUE;
if (adding_door)
return TRUE;
if (event->button == 1)
{
switch(utensil)
{
case CARMEN_MAP_BRUSH:
memcpy(backup, map->complete_map, sizeof(float) * map->config.x_size *
map->config.y_size);
modified ++;
draw_brush(widget, event->x, event->y);
break;
case CARMEN_MAP_RECTANGLE:
memcpy(backup, map->complete_map, sizeof(float) * map->config.x_size *
map->config.y_size);
modified ++;
creating_rectangle(widget, 0, event->x, event->y);
break;
case CARMEN_MAP_CROP:
memcpy(backup, map->complete_map, sizeof(float) * map->config.x_size *
map->config.y_size);
modified ++;
cropping(widget, 0, event->x, event->y);
break;
case CARMEN_MAP_LINE:
memcpy(backup, map->complete_map, sizeof(float) * map->config.x_size *
map->config.y_size);
modified ++;
creating_line(0, event->x, event->y);
break;
case CARMEN_MAP_FILL:
memcpy(backup, map->complete_map, sizeof(float) * map->config.x_size *
map->config.y_size);
modified ++;
create_fill(event->x, event->y);
break;
case CARMEN_MAP_FUZZY_FILL:
memcpy(backup, map->complete_map, sizeof(float) * map->config.x_size *
map->config.y_size);
modified ++;
create_fuzzy_fill(event->x, event->y);
break;
case CARMEN_MAP_EYEDROPPER:
sample(event->x, event->y);
break;
case CARMEN_MAP_ZOOM:
zoom_in(event->x, event->y);
break;
case CARMEN_MAP_MOVER:
move(0, event->x, event->y);
default:
break;
}
}
else if (event->button == 3 && utensil == CARMEN_MAP_ZOOM)
zoom_out(event->x, event->y);
redraw();
return TRUE;
}
int machinery(void)
{
int key,
button = 1,
status = 0,
h, v;
machineplates();
do{
key = checkinput();
h = rat.horiz;
v = rat.verti;
if((rat.buttons == LBUTTON && key == PRESS) && (platehit(0,h,v)))
{
clearplates();
status = farmpower();
machineplates();
}
if((rat.buttons == LBUTTON && key == PRESS) && (platehit(1,h,v)))
{
clearplates();
status = cropping();
machineplates();
}
if((rat.buttons == LBUTTON && key == PRESS) && (platehit(2,h,v)))
{
clearplates();
status = haying();
machineplates();
}
if((rat.buttons == LBUTTON && key == PRESS) && (platehit(3,h,v)))
{
clearplates();
status = specialcrops();
machineplates();
}
if((rat.buttons == LBUTTON && key == PRESS) && (platehit(4,h,v)))
{
clearplates();
status = dairy();
machineplates();
}
if((rat.buttons == LBUTTON && key == PRESS) && (platehit(5,h,v)))
{
clearplates();
status = swine();
machineplates();
}
if((rat.buttons == LBUTTON && key == PRESS) && (platehit(6,h,v)))
{
clearplates();
status = poultry();
machineplates();
}
if((rat.buttons == LBUTTON && key == PRESS) && (platehit(7,h,v)))
{
clearplates();
status = genlvstock();
machineplates();
}
if((rat.buttons == LBUTTON && key == PRESS) && (platehit(8,h,v)))
{
clearplates();
status = misc();
machineplates();
}
if((rat.buttons == LBUTTON && key == PRESS) && (platehit(9,h,v)))
{
clearplates();
status = landlords();
machineplates();
}
if((rat.buttons == RBUTTON && key == HELD) && (checkhit(1,h,v)))
{
if(buton)
{
buttonoff(1);
buton = 0;
}
else
{
buttonon(1);
buton = 1;
}
}
if((rat.buttons == CBUTTON && key == RELEASE) && (checkhit(1,h,v)))
{
if(buton)
{
buttonoff(1);
buton = 0;
}
else
{
buttonon(1);
buton = 1;
}
}
if((rat.buttons == LBUTTON && key == PRESS) && (checkhit(2,h,v)))
{
status = 1;
}
if((rat.buttons == LBUTTON && key == PRESS) && (checkhit(0,h,v)))
{
status = 2;
}
if (status == 2 || status == 1) key = ESC;
}while(!(((rat.buttons == LBUTTON && key == RELEASE) || (key == ENTER)) && checkhit(3,h,v) || (key == ESC));
clearplates();
return(status);
}
