void ro_treeview_mouse_at(wimp_pointer *pointer)
{
os_error *error;
ro_treeview *tv;
wimp_window_state state;
int xpos, ypos;
browser_mouse_state mouse;
if (pointer->buttons & (wimp_CLICK_MENU))
return;
tv = (ro_treeview *) ro_gui_wimp_event_get_user_data(pointer->w);
if (tv == NULL) {
LOG(("NULL treeview block for window: 0x%x",
(unsigned int) pointer->w));
return;
}
if (tv->drag == TREE_NO_DRAG)
return;
/* We know now that it's not a Menu click and the treeview thinks
* that a drag is in progress.
*/
state.w = tv->w;
error = xwimp_get_window_state(&state);
if (error) {
LOG(("xwimp_get_window_state: 0x%x: %s",
error->errnum, error->errmess));
warn_user("WimpError", error->errmess);
return;
}
/* Convert the returned mouse coordinates into NetSurf's internal
* units.
*/
xpos = ((pointer->pos.x - state.visible.x0) +
state.xscroll - tv->origin.x) / 2;
ypos = ((state.visible.y1 - pointer->pos.y) -
state.yscroll + tv->origin.y) / 2;
/* Start to process the mouse click. */
mouse = ro_gui_mouse_drag_state(pointer->buttons,
wimp_BUTTON_DOUBLE_CLICK_DRAG);
tree_mouse_action(tv->tree, mouse, xpos, ypos);
if (!(mouse & BROWSER_MOUSE_DRAG_ON)) {
tree_drag_end(tv->tree, mouse, tv->drag_start.x,
tv->drag_start.y, xpos, ypos);
tv->drag = TREE_NO_DRAG;
}
if (tv->callbacks != NULL &&
tv->callbacks->toolbar_button_update != NULL)
tv->callbacks->toolbar_button_update();
}
static gboolean
nsgtk_tree_window_draw_event(GtkWidget *widget, cairo_t *cr, gpointer data)
{
struct tree *tree = (struct tree *)data;
struct redraw_context ctx = {
.interactive = true,
.background_images = true,
.plot = &nsgtk_plotters
};
double x1;
double y1;
double x2;
double y2;
current_widget = widget;
current_cr = cr;
cairo_clip_extents(cr, &x1, &y1, &x2, &y2);
tree_draw(tree, 0, 0, x1, y1, x2 - x1, y2 - y1, &ctx);
current_widget = NULL;
return FALSE;
}
#else
/* signal handler functions for a tree window */
static gboolean
nsgtk_tree_window_draw_event(GtkWidget *widget, GdkEventExpose *event, gpointer g)
{
struct tree *tree = (struct tree *) g;
struct redraw_context ctx = {
.interactive = true,
.background_images = true,
.plot = &nsgtk_plotters
};
int x, y, width, height;
x = event->area.x;
y = event->area.y;
width = event->area.width;
height = event->area.height;
current_widget = widget;
current_cr = gdk_cairo_create(nsgtk_widget_get_window(widget));
tree_draw(tree, 0, 0, x, y, width, height, &ctx);
current_widget = NULL;
cairo_destroy(current_cr);
return FALSE;
}
#endif
void nsgtk_tree_window_hide(GtkWidget *widget, gpointer g)
{
}
gboolean nsgtk_tree_window_button_press_event(GtkWidget *widget,
GdkEventButton *event, gpointer g)
{
struct nsgtk_treeview *tw = g;
struct tree *tree = tw->tree;
gtk_widget_grab_focus(GTK_WIDGET(tw->drawing_area));
tw->mouse_pressed = true;
tw->mouse_pressed_x = event->x;
tw->mouse_pressed_y = event->y;
if (event->type == GDK_2BUTTON_PRESS)
tw->mouse_state = BROWSER_MOUSE_DOUBLE_CLICK;
switch (event->button) {
case 1: tw->mouse_state |= BROWSER_MOUSE_PRESS_1; break;
case 2: tw->mouse_state |= BROWSER_MOUSE_PRESS_2; break;
}
/* Handle the modifiers too */
if (event->state & GDK_SHIFT_MASK)
tw->mouse_state |= BROWSER_MOUSE_MOD_1;
if (event->state & GDK_CONTROL_MASK)
tw->mouse_state |= BROWSER_MOUSE_MOD_2;
if (event->state & GDK_MOD1_MASK)
tw->mouse_state |= BROWSER_MOUSE_MOD_3;
/* Record where we pressed, for use when determining whether to start
* a drag in motion notify events. */
tw->last_x = event->x;
tw->last_y = event->y;
tree_mouse_action(tree, tw->mouse_state, event->x, event->y);
return TRUE;
}
gboolean nsgtk_tree_window_button_release_event(GtkWidget *widget,
GdkEventButton *event, gpointer g)
{
bool shift = event->state & GDK_SHIFT_MASK;
bool ctrl = event->state & GDK_CONTROL_MASK;
bool alt = event->state & GDK_MOD1_MASK;
struct nsgtk_treeview *tw = (struct nsgtk_treeview *) g;
struct tree *tree = tw->tree;
/* We consider only button 1 clicks as double clicks.
* If the mouse state is PRESS then we are waiting for a release to emit
* a click event, otherwise just reset the state to nothing*/
if (tw->mouse_state & BROWSER_MOUSE_DOUBLE_CLICK) {
if (tw->mouse_state & BROWSER_MOUSE_PRESS_1)
tw->mouse_state ^= BROWSER_MOUSE_PRESS_1 |
BROWSER_MOUSE_CLICK_1;
else if (tw->mouse_state & BROWSER_MOUSE_PRESS_2)
tw->mouse_state ^= (BROWSER_MOUSE_PRESS_2 |
BROWSER_MOUSE_CLICK_2 |
BROWSER_MOUSE_DOUBLE_CLICK);
} else if (tw->mouse_state & BROWSER_MOUSE_PRESS_1) {
tw->mouse_state ^= (BROWSER_MOUSE_PRESS_1 |
BROWSER_MOUSE_CLICK_1);
} else if (tw->mouse_state & BROWSER_MOUSE_PRESS_2) {
tw->mouse_state ^= (BROWSER_MOUSE_PRESS_2 |
BROWSER_MOUSE_CLICK_2);
} else if (tw->mouse_state & BROWSER_MOUSE_HOLDING_1) {
tw->mouse_state ^= (BROWSER_MOUSE_HOLDING_1 |
BROWSER_MOUSE_DRAG_ON);
} else if (tw->mouse_state & BROWSER_MOUSE_HOLDING_2) {
tw->mouse_state ^= (BROWSER_MOUSE_HOLDING_2 |
BROWSER_MOUSE_DRAG_ON);
}
/* Handle modifiers being removed */
if (tw->mouse_state & BROWSER_MOUSE_MOD_1 && !shift)
tw->mouse_state ^= BROWSER_MOUSE_MOD_1;
if (tw->mouse_state & BROWSER_MOUSE_MOD_2 && !ctrl)
tw->mouse_state ^= BROWSER_MOUSE_MOD_2;
if (tw->mouse_state & BROWSER_MOUSE_MOD_3 && !alt)
tw->mouse_state ^= BROWSER_MOUSE_MOD_3;
if (tw->mouse_state &
~(BROWSER_MOUSE_MOD_1 |
BROWSER_MOUSE_MOD_2 |
BROWSER_MOUSE_MOD_3)) {
tree_mouse_action(tree, tw->mouse_state,
event->x, event->y);
} else {
tree_drag_end(tree, tw->mouse_state,
tw->mouse_pressed_x,
tw->mouse_pressed_y,
event->x, event->y);
}
tw->mouse_state = 0;
tw->mouse_pressed = false;
return TRUE;
}
gboolean nsgtk_tree_window_motion_notify_event(GtkWidget *widget,
GdkEventMotion *event, gpointer g)
{
bool shift = event->state & GDK_SHIFT_MASK;
bool ctrl = event->state & GDK_CONTROL_MASK;
bool alt = event->state & GDK_MOD1_MASK;
struct nsgtk_treeview *tw = (struct nsgtk_treeview *) g;
struct tree *tree = tw->tree;
if (tw->mouse_pressed == false)
return TRUE;
if ((abs(event->x - tw->last_x) < 5) &&
(abs(event->y - tw->last_y) < 5)) {
/* Mouse hasn't moved far enough from press coordinate for this
* to be considered a drag. */
return FALSE;
} else {
/* This is a drag, ensure it's always treated as such, even if
* we drag back over the press location */
tw->last_x = INT_MIN;
tw->last_y = INT_MIN;
}
if (tw->mouse_state & BROWSER_MOUSE_PRESS_1) {
/* Start button 1 drag */
tree_mouse_action(tree, BROWSER_MOUSE_DRAG_1,
tw->mouse_pressed_x, tw->mouse_pressed_y);
/* Replace PRESS with HOLDING and declare drag in progress */
tw->mouse_state ^= (BROWSER_MOUSE_PRESS_1 |
BROWSER_MOUSE_HOLDING_1);
tw->mouse_state |= BROWSER_MOUSE_DRAG_ON;
return TRUE;
}
else if (tw->mouse_state & BROWSER_MOUSE_PRESS_2){
/* Start button 2s drag */
tree_mouse_action(tree, BROWSER_MOUSE_DRAG_2,
tw->mouse_pressed_x, tw->mouse_pressed_y);
/* Replace PRESS with HOLDING and declare drag in progress */
tw->mouse_state ^= (BROWSER_MOUSE_PRESS_2 |
BROWSER_MOUSE_HOLDING_2);
tw->mouse_state |= BROWSER_MOUSE_DRAG_ON;
return TRUE;
}
/* Handle modifiers being removed */
if (tw->mouse_state & BROWSER_MOUSE_MOD_1 && !shift)
tw->mouse_state ^= BROWSER_MOUSE_MOD_1;
if (tw->mouse_state & BROWSER_MOUSE_MOD_2 && !ctrl)
tw->mouse_state ^= BROWSER_MOUSE_MOD_2;
if (tw->mouse_state & BROWSER_MOUSE_MOD_3 && !alt)
tw->mouse_state ^= BROWSER_MOUSE_MOD_3;
if (tw->mouse_state & (BROWSER_MOUSE_HOLDING_1 |
BROWSER_MOUSE_HOLDING_2))
tree_mouse_action(tree, tw->mouse_state, event->x,
event->y);
return TRUE;
}
