/* \brief Begin inputting a new path node.
* \par Function Description
* Re-enters path creation mode, saving the current pointer location
* as the location of the next path control point.
*/
void
o_path_continue (GschemToplevel *w_current, int w_x, int w_y)
{
g_assert (w_current);
o_path_invalidate_rubber (w_current);
w_current->first_wx = w_x;
w_current->first_wy = w_y;
w_current->second_wx = w_x;
w_current->second_wy = w_y;
o_path_invalidate_rubber (w_current);
}
/* \brief Give feedback on path creation during mouse movement.
* \par Function Description
* If the user is currently in the process of creating a path node
* (i.e. has mouse button pressed), moves the next node's control
* point. If the user has not yet pressed the mouse button to start
* defining a path node, moves the next node's location and control
* point together.
*/
void
o_path_motion (GschemToplevel *w_current, int w_x, int w_y)
{
g_assert (w_current);
o_path_invalidate_rubber (w_current);
switch (w_current->event_state) {
case PATHCONT:
w_current->first_wx = w_x;
w_current->first_wy = w_y;
case ENDPATH:
w_current->second_wx = w_x;
w_current->second_wy = w_y;
break;
default:
g_warn_if_reached ();
}
o_path_invalidate_rubber (w_current);
}
/*! \todo Finish function documentation!!!
* \brief
* \par Function Description
*
*/
gint
x_event_button_pressed(GschemPageView *page_view, GdkEventButton *event, GschemToplevel *w_current)
{
PAGE *page = gschem_page_view_get_page (page_view);
int w_x, w_y;
int unsnapped_wx, unsnapped_wy;
g_return_val_if_fail ((w_current != NULL), 0);
if (page == NULL) {
return TRUE; /* terminate event */
}
if (!gtk_widget_has_focus (GTK_WIDGET (page_view))) {
gtk_widget_grab_focus (GTK_WIDGET (page_view));
}
scm_dynwind_begin ((scm_t_dynwind_flags) 0);
g_dynwind_window (w_current);
#if DEBUG
printf("pressed button %d! \n", event->button);
printf("event state: %d \n", event->state);
printf("w_current state: %d \n", w_current->event_state);
printf("Selection is:\n");
o_selection_print_all(&(page->selection_list));
printf("\n");
#endif
gschem_page_view_SCREENtoWORLD (page_view, (int) event->x, (int) event->y,
&unsnapped_wx, &unsnapped_wy);
w_x = snap_grid (w_current, unsnapped_wx);
w_y = snap_grid (w_current, unsnapped_wy);
if (event->type == GDK_2BUTTON_PRESS &&
w_current->event_state == SELECT) {
/* Don't re-select an object (lp-912978) */
/* o_find_object(w_current, w_x, w_y, TRUE); */
/* GDK_BUTTON_EVENT is emitted before GDK_2BUTTON_EVENT, which
* leads to setting of the inside_action flag. If o_edit()
* brings up a modal window (e.g., the edit attribute dialog),
* it intercepts the release button event and thus doesn't
* allow resetting of the inside_action flag so we do it
* manually here before processing the double-click event. */
i_action_stop (w_current);
o_edit(w_current, geda_list_get_glist( page->selection_list ));
scm_dynwind_end ();
return(0);
}
w_current->SHIFTKEY = (event->state & GDK_SHIFT_MASK ) ? 1 : 0;
w_current->CONTROLKEY = (event->state & GDK_CONTROL_MASK) ? 1 : 0;
w_current->ALTKEY = (event->state & GDK_MOD1_MASK) ? 1 : 0;
/* Huge switch statement to evaluate state transitions. Jump to
* end_button_pressed label to escape the state evaluation rather than
* returning from the function directly. */
if (event->button == 1) {
if (w_current->inside_action) {
/* End action */
if (page->place_list != NULL) {
switch(w_current->event_state) {
case (COMPMODE) : o_place_end(w_current, w_x, w_y, w_current->continue_component_place,
"%add-objects-hook"); break;
case (TEXTMODE) : o_place_end(w_current, w_x, w_y, FALSE,
"%add-objects-hook"); break;
case (PASTEMODE) : o_place_end(w_current, w_x, w_y, FALSE,
"%paste-objects-hook"); break;
default: break;
}
} else {
switch(w_current->event_state) {
case (ARCMODE) : o_arc_end1(w_current, w_x, w_y); break;
case (BOXMODE) : o_box_end(w_current, w_x, w_y); break;
case (BUSMODE) : o_bus_end(w_current, w_x, w_y); break;
case (CIRCLEMODE) : o_circle_end(w_current, w_x, w_y); break;
case (LINEMODE) : o_line_end(w_current, w_x, w_y); break;
case (NETMODE) : o_net_end(w_current, w_x, w_y); break;
case (PATHMODE) : o_path_continue (w_current, w_x, w_y); break;
case (PICTUREMODE): o_picture_end(w_current, w_x, w_y); break;
case (PINMODE) : o_pin_end (w_current, w_x, w_y); break;
default: break;
}
}
} else {
/* Start action */
switch(w_current->event_state) {
case (ARCMODE) : o_arc_start(w_current, w_x, w_y); break;
case (BOXMODE) : o_box_start(w_current, w_x, w_y); break;
case (BUSMODE) : o_bus_start(w_current, w_x, w_y); break;
case (CIRCLEMODE) : o_circle_start(w_current, w_x, w_y); break;
case (LINEMODE) : o_line_start(w_current, w_x, w_y); break;
case (NETMODE) : o_net_start(w_current, w_x, w_y); break;
case (PATHMODE) : o_path_start (w_current, w_x, w_y); break;
case (PICTUREMODE): o_picture_start(w_current, w_x, w_y); break;
case (PINMODE) : o_pin_start (w_current, w_x, w_y); break;
case (ZOOMBOX) : a_zoom_box_start(w_current, unsnapped_wx, unsnapped_wy); break;
case (SELECT) : o_select_start(w_current, w_x, w_y); break;
case (COPYMODE) :
case (MCOPYMODE) : o_copy_start(w_current, w_x, w_y); break;
case (MOVEMODE) : o_move_start(w_current, w_x, w_y); break;
default: break;
}
}
switch(w_current->event_state) {
case(ROTATEMODE): o_rotate_world_update(w_current, w_x, w_y, 90,
geda_list_get_glist(page->selection_list)); break;
case(MIRRORMODE): o_mirror_world_update(w_current, w_x, w_y,
geda_list_get_glist(page->selection_list)); break;
case(PAN):
gschem_page_view_pan (page_view, w_x, w_y);
i_set_state(w_current, SELECT);
break;
}
} else if (event->button == 2) {
/* try this out and see how it behaves */
if (w_current->inside_action) {
if (!(w_current->event_state == COMPMODE||
w_current->event_state == TEXTMODE||
w_current->event_state == MOVEMODE||
w_current->event_state == COPYMODE ||
w_current->event_state == MCOPYMODE ||
w_current->event_state == PASTEMODE )) {
i_callback_cancel(w_current, 0, NULL);
}
goto end_button_pressed;
}
switch(w_current->middle_button) {
case(ACTION):
/* don't want to search if shift */
/* key is pressed */
if (!w_current->SHIFTKEY) {
o_find_object(w_current, unsnapped_wx, unsnapped_wy, TRUE);
}
/* make sure the list is not empty */
if (!o_select_selected(w_current)) {
/* this means the above find did not
* find anything */
i_action_stop (w_current);
i_set_state(w_current, SELECT);
goto end_button_pressed;
}
/* determine here if copy or move */
if (w_current->ALTKEY) {
i_set_state(w_current, COPYMODE);
o_copy_start(w_current, w_x, w_y);
} else {
o_move_start(w_current, w_x, w_y);
}
break;
case(REPEAT):
if (w_current->last_callback != NULL) {
(*w_current->last_callback)(w_current, 0, NULL);
}
break;
#ifdef HAVE_LIBSTROKE
case(STROKE):
DOING_STROKE=TRUE;
break;
#endif /* HAVE_LIBSTROKE */
case(MID_MOUSEPAN_ENABLED):
gschem_page_view_pan_start (page_view, (int) event->x, (int) event->y);
break;
}
} else if (event->button == 3) {
if (!w_current->inside_action) {
if (w_current->third_button == POPUP_ENABLED) {
/* (third-button "popup") */
i_update_menus(w_current); /* update menus before popup */
do_popup(w_current, event);
} else {
/* (third-button "mousepan") */
gschem_page_view_pan_start (page_view, (int) event->x, (int) event->y);
}
} else {
if ((w_current->third_button == MOUSEPAN_ENABLED) &&
(!w_current->third_button_cancel)) {
gschem_page_view_pan_start (page_view, (int) event->x, (int) event->y);
} else { /* this is the default cancel */
/* reset all draw and place actions */
switch (w_current->event_state) {
case (ARCMODE) : o_arc_invalidate_rubber (w_current); break;
case (BOXMODE) : o_box_invalidate_rubber (w_current); break;
case (BUSMODE) : o_bus_invalidate_rubber (w_current); break;
case (CIRCLEMODE) : o_circle_invalidate_rubber (w_current); break;
case (LINEMODE) : o_line_invalidate_rubber (w_current); break;
case (NETMODE) : o_net_reset (w_current); break;
case (PATHMODE) : o_path_invalidate_rubber (w_current); break;
case (PICTUREMODE): o_picture_invalidate_rubber (w_current); break;
case (PINMODE) : o_pin_invalidate_rubber (w_current); break;
default:
i_callback_cancel(w_current, 0, NULL);
break;
}
}
}
}
end_button_pressed:
scm_dynwind_end ();
return(0);
}
/*! \brief End the input of a path.
* \par Function Description
* This function ends the process of interactively adding a path to the
* current sheet.
*
* It first erases the last temporary path displayed, calculates the
* corresponding world coordinates of the two ends of the path and finally
* adds a new initialized path object to the list of object of the current
* sheet.
*
* \param [in] w_current The GschemToplevel object.
* \param [in] w_x (unused)
* \param [in] w_y (unused)
*/
gboolean
o_path_end(GschemToplevel *w_current, int w_x, int w_y)
{
GschemPageView *page_view = gschem_toplevel_get_current_page_view (w_current);
TOPLEVEL *toplevel = gschem_page_view_get_toplevel (page_view);
PAGE *page = gschem_page_view_get_page (page_view);
gboolean close_path, end_path, start_path;
PATH *p;
PATH_SECTION *section, *prev_section;
int x1, y1, x2, y2;
g_assert (w_current);
g_assert (w_current->toplevel);
g_assert (w_current->temp_path != NULL);
g_assert (w_current->temp_path->sections != NULL);
g_assert (toplevel != NULL);
g_assert (page != NULL);
o_path_invalidate_rubber (w_current);
x1 = w_current->first_wx;
y1 = w_current->first_wy;
x2 = w_current->second_wx;
y2 = w_current->second_wy;
p = w_current->temp_path;
/* Check whether the section that's being added is the initial
* MOVETO. This is detected if the path is currently empty. */
start_path = (p->num_sections == 0);
prev_section = start_path ? NULL : &p->sections[p->num_sections - 1];
/* Check whether the section that's being added closes the path.
* This is detected if the location of the node is the same as the
* location of the starting node, and there is at least one section
* in the path in addition to the initial MOVETO section. */
section = &p->sections[0];
close_path = (!start_path
&& x1 == section->x3
&& y1 == section->y3);
/* Check whether the section that's being added ends the path. This
* is detected if the location of the node is the same as the
* location of the previous node. */
end_path = (!start_path
&& x1 == prev_section->x3
&& y1 == prev_section->y3);
/* Add predicted next sections */
path_next_sections (w_current);
if (end_path || close_path) {
/* Add object to page and clean up path drawing state */
OBJECT *obj = o_path_new_take_path (toplevel, OBJ_PATH,
GRAPHIC_COLOR, p);
w_current->temp_path = NULL;
w_current->first_wx = -1;
w_current->first_wy = -1;
w_current->second_wx = -1;
w_current->second_wy = -1;
w_current->third_wx = -1;
w_current->third_wy = -1;
s_page_append (toplevel, page, obj);
g_run_hook_object (w_current, "%add-objects-hook", obj);
gschem_toplevel_page_content_changed (w_current, page);
o_undo_savestate (w_current, page, UNDO_ALL);
w_current->rubber_visible = FALSE;
return FALSE;
} else {
/* Leave state as it is and continue path drawing... */
/* Save the control point coordinates for the next section */
w_current->third_wx = x2;
w_current->third_wy = y2;
return TRUE;
}
}
