void
ghack_map_cliparound(GtkWidget *win, int x, int y, gpointer data)
{
int map_width, map_height;
int to_x, to_y;
int cur_x, cur_y;
int width, height, half_width, half_height;
x *= ghack_glyph_width() * ghack_map.zoom;
y *= ghack_glyph_height() * ghack_map.zoom;
map_width = COLNO * ghack_glyph_width() * ghack_map.zoom;
map_height = ROWNO * ghack_glyph_height() * ghack_map.zoom;
gdk_window_get_size(GTK_LAYOUT(ghack_map.canvas)->bin_window, &width,
&height);
gnome_canvas_get_scroll_offsets(ghack_map.canvas, &cur_x, &cur_y);
half_width = width * 0.5;
half_height = height * 0.5;
if (((x - cur_x) < (width * 0.25)) || ((x - cur_x) > (width * 0.75))) {
to_x = ((x - half_width) > 0) ? x - half_width : 0;
to_x = ((x + half_width) > map_width) ? map_width - 2 * half_width
: to_x;
} else {
to_x = cur_x;
}
if (((y - cur_y) < (height * 0.25)) || ((y - cur_y) > (height * 0.75))) {
to_y = ((y - half_height) > 0) ? y - half_height : 0;
to_y = ((y + half_height) > map_height) ? map_height - 2 * half_height
: to_y;
} else {
to_y = cur_y;
}
if (to_x != cur_x || to_y != cur_y)
gnome_canvas_scroll_to(ghack_map.canvas, to_x, to_y);
// gnome_canvas_update_now ( ghack_map.canvas);
}
gboolean
starchart_event_pointer_motion (GtkWidget *widget,
GdkEventMotion *event,
gpointer user_data)
{
gint x, y;
gint16 vpx, vpy;
gdouble wx, wy;
static guint interleave;
static gint pointer_x = 0, pointer_y = 0;
static gboolean panning = FALSE;
/* First get canvas coords */
x = (gint) event->x;
y = (gint) event->y;
/* If we are dragging the starchart to pan... */
if((event->state & (GDK_BUTTON1_MASK)) == (GDK_BUTTON1_MASK)) {
gint offset_x, offset_y;
/* Check if extra panels are closed, panning is deactivated when open */
if (!gwp_game_state_get_extra_panel_open(game_state)) {
/* Set drag cursor */
if(!panning) {
starchart_set_pan_cursor();
panning = TRUE;
}
/* Do panning */
if((interleave++ % MOUSE_INTERLEAVE) == 0) {
gnome_canvas_get_scroll_offsets(starchart_get_canvas(),
&offset_x,
&offset_y);
starchart_scroll_to(offset_x + (pointer_x - x) * (MOUSE_INTERLEAVE+1),
offset_y + (pointer_y - y) * (MOUSE_INTERLEAVE+1));
}
}
}
/* If not panning... */
else {
/* Reset cursor */
if(panning) {
starchart_set_default_cursor();
panning = FALSE;
}
/* Translate coords to World system */
gnome_canvas_c2w(GNOME_CANVAS(widget), x, y, &wx, &wy);
/* Assign VP coords to game state*/
vp_coord_w2v (wx, wy, &vpx, &vpy);
g_object_set (game_state,
"x-coord", vpx,
"y-coord", vpy,
NULL);
/* Update coord indicator */
starchart_update_coord_panel(widget, wx, wy);
/* Distance calculation stuff */
/* starchart_update_distance_calc (wx, wy);*/
}
pointer_x = (gint) event->x;
pointer_y = (gint) event->y;
return FALSE;
}
// paste xournal native data
void clipboard_paste_from_xournal(GtkSelectionData *sel_data)
{
unsigned char *p;
int nitems, npts, i, len;
struct Item *item;
double hoffset, voffset, cx, cy;
double *pf;
int sx, sy, wx, wy;
reset_selection();
ui.selection = g_new(struct Selection, 1);
p = sel_data->data + sizeof(int);
g_memmove(&nitems, p, sizeof(int)); p+= sizeof(int);
ui.selection->type = ITEM_SELECTRECT;
ui.selection->layer = ui.cur_layer;
g_memmove(&ui.selection->bbox, p, sizeof(struct BBox)); p+= sizeof(struct BBox);
ui.selection->items = NULL;
// find by how much we translate the pasted selection
gnome_canvas_get_scroll_offsets(canvas, &sx, &sy);
gdk_window_get_geometry(GTK_WIDGET(canvas)->window, NULL, NULL, &wx, &wy, NULL);
gnome_canvas_window_to_world(canvas, sx + wx/2, sy + wy/2, &cx, &cy);
cx -= ui.cur_page->hoffset;
cy -= ui.cur_page->voffset;
if (cx + (ui.selection->bbox.right-ui.selection->bbox.left)/2 > ui.cur_page->width)
cx = ui.cur_page->width - (ui.selection->bbox.right-ui.selection->bbox.left)/2;
if (cx - (ui.selection->bbox.right-ui.selection->bbox.left)/2 < 0)
cx = (ui.selection->bbox.right-ui.selection->bbox.left)/2;
if (cy + (ui.selection->bbox.bottom-ui.selection->bbox.top)/2 > ui.cur_page->height)
cy = ui.cur_page->height - (ui.selection->bbox.bottom-ui.selection->bbox.top)/2;
if (cy - (ui.selection->bbox.bottom-ui.selection->bbox.top)/2 < 0)
cy = (ui.selection->bbox.bottom-ui.selection->bbox.top)/2;
hoffset = cx - (ui.selection->bbox.right+ui.selection->bbox.left)/2;
voffset = cy - (ui.selection->bbox.top+ui.selection->bbox.bottom)/2;
ui.selection->bbox.left += hoffset;
ui.selection->bbox.right += hoffset;
ui.selection->bbox.top += voffset;
ui.selection->bbox.bottom += voffset;
ui.selection->canvas_item = gnome_canvas_item_new(ui.cur_layer->group,
gnome_canvas_rect_get_type(), "width-pixels", 1,
"outline-color-rgba", 0x000000ff,
"fill-color-rgba", 0x80808040,
"x1", ui.selection->bbox.left, "x2", ui.selection->bbox.right,
"y1", ui.selection->bbox.top, "y2", ui.selection->bbox.bottom, NULL);
make_dashed(ui.selection->canvas_item);
while (nitems-- > 0) {
item = g_new(struct Item, 1);
ui.selection->items = g_list_append(ui.selection->items, item);
ui.cur_layer->items = g_list_append(ui.cur_layer->items, item);
ui.cur_layer->nitems++;
g_memmove(&item->type, p, sizeof(int)); p+= sizeof(int);
if (item->type == ITEM_STROKE) {
g_memmove(&item->brush, p, sizeof(struct Brush)); p+= sizeof(struct Brush);
g_memmove(&npts, p, sizeof(int)); p+= sizeof(int);
item->path = gnome_canvas_points_new(npts);
pf = (double *)p;
for (i=0; i<npts; i++) {
item->path->coords[2*i] = pf[2*i] + hoffset;
item->path->coords[2*i+1] = pf[2*i+1] + voffset;
}
p+= 2*item->path->num_points*sizeof(double);
if (item->brush.variable_width) {
item->widths = g_memdup(p, (item->path->num_points-1)*sizeof(double));
p+= (item->path->num_points-1)*sizeof(double);
}
else item->widths = NULL;
update_item_bbox(item);
make_canvas_item_one(ui.cur_layer->group, item);
}
if (item->type == ITEM_TEXT) {
g_memmove(&item->brush, p, sizeof(struct Brush)); p+= sizeof(struct Brush);
g_memmove(&item->bbox.left, p, sizeof(double)); p+= sizeof(double);
g_memmove(&item->bbox.top, p, sizeof(double)); p+= sizeof(double);
item->bbox.left += hoffset;
item->bbox.top += voffset;
g_memmove(&len, p, sizeof(int)); p+= sizeof(int);
item->text = g_malloc(len+1);
g_memmove(item->text, p, len+1); p+= len+1;
g_memmove(&len, p, sizeof(int)); p+= sizeof(int);
item->font_name = g_malloc(len+1);
g_memmove(item->font_name, p, len+1); p+= len+1;
g_memmove(&item->font_size, p, sizeof(double)); p+= sizeof(double);
make_canvas_item_one(ui.cur_layer->group, item);
}
if (item->type == ITEM_IMAGE) {
item->canvas_item = NULL;
item->image_png = NULL;
item->image_png_len = 0;
g_memmove(&item->bbox, p, sizeof(struct BBox)); p+= sizeof(struct BBox);
item->bbox.left += hoffset;
item->bbox.right += hoffset;
item->bbox.top += voffset;
item->bbox.bottom += voffset;
g_memmove(&item->image_png_len, p, sizeof(gsize)); p+= sizeof(gsize);
if (item->image_png_len > 0) {
item->image_png = g_memdup(p, item->image_png_len);
item->image = pixbuf_from_buffer(item->image_png, item->image_png_len);
p+= item->image_png_len;
} else {
item->image = NULL;
}
make_canvas_item_one(ui.cur_layer->group, item);
}
}
prepare_new_undo();
undo->type = ITEM_PASTE;
undo->layer = ui.cur_layer;
undo->itemlist = g_list_copy(ui.selection->items);
gtk_selection_data_free(sel_data);
update_copy_paste_enabled();
update_color_menu();
update_thickness_buttons();
update_color_buttons();
update_font_button();
update_cursor(); // FIXME: can't know if pointer is within selection!
}