forked from enlightenment/enlightenment
* Patch from Graham McDonald to skip separators in menus
* Hooked menu.c into documentation system * s/ecore/e/ in some places SVN revision: 5548
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@ -125,6 +125,7 @@
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<section id="code">
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<title>Code Documentation</title>
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!Isrc/iconbar.c
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!Isrc/menu.c
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</section>
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</chapter>
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96
src/menu.c
96
src/menu.c
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@ -1,12 +1,12 @@
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#include "menu.h"
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#include "config.h"
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static Evas_List open_menus = NULL;
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static Evas_List open_menus = NULL; /* List of all open menus */
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static Evas_List menus = NULL;
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static Window menu_event_win = 0;
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static int screen_w, screen_h;
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static int mouse_x, mouse_y;
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static int keyboard_nav = 0;
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static Window menu_event_win = 0; /* Window which originated event */
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static int screen_w, screen_h; /* Screen width and height */
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static int mouse_x, mouse_y; /* Mouse coordinates */
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static int keyboard_nav = 0; /* If non-zero, navigating with keyboard */
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static void ecore_idle(void *data);
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static void e_wheel(Ecore_Event * ev);
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@ -125,7 +125,7 @@ e_scroller_timer(int val, void *data)
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}
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static void
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ecore_idle(void *data)
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e_idle(void *data)
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{
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Evas_List l;
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@ -182,7 +182,7 @@ e_wheel(Ecore_Event * ev)
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}
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static void
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ecore_key_down(Ecore_Event * ev)
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e_key_down(Ecore_Event * ev)
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{
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Ecore_Event_Key_Down *e;
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int ok;
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@ -276,7 +276,7 @@ ecore_key_down(Ecore_Event * ev)
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}
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static void
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ecore_key_up(Ecore_Event * ev)
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e_key_up(Ecore_Event * ev)
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{
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Ecore_Event_Key_Up *e;
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@ -425,7 +425,7 @@ e_mouse_out(Ecore_Event * ev)
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/* handling expose events */
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static void
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ecore_window_expose(Ecore_Event * ev)
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e_window_expose(Ecore_Event * ev)
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{
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Ecore_Event_Window_Expose *e;
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@ -505,13 +505,22 @@ e_menu_item_set_callback(E_Menu_Item *mi, void (*func) (E_Menu *m, E_Menu_Item *
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mi->func_select_data = data;
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}
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/**
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* e_menu_hide_submenus - Hide all menus except @menus_after.
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* Assumes all menus after @menus_after in the list open_menus
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* are submenus of @menus_after.
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*
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* @menus_after: All menus after this are hidden.
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*/
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void
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e_menu_hide_submenus(E_Menu *menus_after)
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{
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Evas_List l;
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/* Loop thru all open menus: */
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for (l = open_menus; l; l = l->next)
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{
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/* Found submenu, so now hide all remaining menus: */
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if (l->data == menus_after)
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{
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l = l->next;
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@ -527,34 +536,72 @@ e_menu_hide_submenus(E_Menu *menus_after)
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}
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}
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/**
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* e_menu_select - Attempt to select the menu entry @dx entries across,
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* and @dy entries down.
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*
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* @dx: Horizontal offset of new menu entry.
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* @dy: Vertical offset of new menu entry.
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*/
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void
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e_menu_select(int dx, int dy)
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{
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Evas_List l, ll;
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int done = 0;
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/* Loop through all open menus, tile done or reached end */
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for (l = open_menus; (l) && (!done); l = l->next)
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{
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E_Menu *m;
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m = l->data;
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/* If this is the selected menu: */
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if (m->selected)
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{
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/* Go through the menu entries: */
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for (ll = m->entries; (ll) && (!done); ll = ll->next)
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{
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E_Menu_Item *mi;
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mi = ll->data;
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/* Found the currently selected entry: */
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if (mi->selected)
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{
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/* Vertical movement, up and down menu: */
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if (dy != 0)
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{
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int ok = 0;
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if ((dy < 0) && (ll->prev)) ok = 1;
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else if ((dy > 0) && (ll->next)) ok = 1;
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/* Only go up or down if entry exists to do so, */
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/* and skip over separators: */
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if (dy < 0)
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{
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for ( ; ll->prev; ll = ll->prev )
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{
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mi = ll->prev->data;
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if (!mi->separator)
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{
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ok = 1;
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break;
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}
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}
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}
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else if (dy > 0)
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{
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for ( ; ll->next; ll = ll->next )
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{
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mi = ll->next->data;
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if (!mi->separator)
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{
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ok = 1;
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break;
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}
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}
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}
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if (ok)
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{
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/* Unselect the old selected entry: */
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if (m->selected)
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{
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m->selected->selected = 0;
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@ -562,13 +609,14 @@ e_menu_select(int dx, int dy)
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m->changed = 1;
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m->selected = NULL;
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}
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if (dy < 0) mi = ll->prev->data;
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else mi = ll->next->data;
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/* Select the new entry: */
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m->selected = mi;
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mi->selected = 1;
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mi->menu->redo_sel = 1;
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mi->menu->changed = 1;
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e_menu_hide_submenus(mi->menu);
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/* If submenu, display it: */
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if (mi->submenu)
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{
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e_menu_move_to(mi->submenu,
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@ -581,10 +629,12 @@ e_menu_select(int dx, int dy)
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done = 1;
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}
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}
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/* Horizontal movement, into and out of submenus: */
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if (dx != 0)
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{
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int ok = 0;
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/* Only carry on if appropriate submenus exist: */
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if ((dx < 0) && (l->prev)) ok = 1;
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else if ((dx > 0) && (l->next)) ok = 1;
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if (ok)
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E_Menu_Item *mi = NULL;
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E_Menu *mm;
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/* Moving out of a submenu: */
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if (dx < 0)
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{
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Evas_List ll;
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@ -605,6 +656,7 @@ e_menu_select(int dx, int dy)
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if (mmi->submenu == m) mi = mmi;
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}
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}
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/* Moving into a submenu: */
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else
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{
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mm = l->next->data;
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}
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if (mi)
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{
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/* Unselect old selected entry: */
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if (m->selected)
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{
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m->selected->selected = 0;
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m->changed = 1;
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m->selected = NULL;
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}
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/* Select new entry: */
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mm->selected = mi;
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mi->selected = 1;
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mi->menu->redo_sel = 1;
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mi->menu->changed = 1;
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e_menu_hide_submenus(mi->menu);
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/* If new entry is a submenu, display it: */
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if (mi->submenu)
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{
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e_menu_move_to(mi->submenu,
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e_menu_update_visibility(m);
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}
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}
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/* If opened a new submenu, position it and display it: */
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if (!done)
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{
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if (open_menus)
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ecore_event_filter_handler_add(ECORE_EVENT_MOUSE_MOVE, e_mouse_move);
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ecore_event_filter_handler_add(ECORE_EVENT_MOUSE_IN, e_mouse_in);
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ecore_event_filter_handler_add(ECORE_EVENT_MOUSE_OUT, e_mouse_out);
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ecore_event_filter_handler_add(ECORE_EVENT_WINDOW_EXPOSE, ecore_window_expose);
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ecore_event_filter_handler_add(ECORE_EVENT_KEY_DOWN, ecore_key_down);
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ecore_event_filter_handler_add(ECORE_EVENT_KEY_UP, ecore_key_up);
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ecore_event_filter_handler_add(ECORE_EVENT_WINDOW_EXPOSE, e_window_expose);
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ecore_event_filter_handler_add(ECORE_EVENT_KEY_DOWN, e_key_down);
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ecore_event_filter_handler_add(ECORE_EVENT_KEY_UP, e_key_up);
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ecore_event_filter_handler_add(ECORE_EVENT_MOUSE_WHEEL, e_wheel);
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ecore_event_filter_idle_handler_add(ecore_idle, NULL);
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ecore_event_filter_idle_handler_add(e_idle, NULL);
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}
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void
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