upstream/wesnoth
1
0
Fork 0
mirror of https://github.com/wesnoth/wesnoth synced 2025-05-12 18:26:19 +00:00
Code Issues Packages Projects Releases Wiki Activity

Added proof-of-conecpt hack to let the listbox do something...

Browse Source 
...when the arrow keys are used and it has the keyboard focus.
This commit is contained in:
Mark de Wever 2008-06-23 18:23:30 +00:00
parent ccae3338d4
commit ac10e09562
2 changed files with 65 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

58
src/gui/widgets/listbox.cpp
View File

@ -16,11 +16,13 @@
#include "foreach.hpp"
#include "gui/widgets/button.hpp"
#include "gui/widgets/event_handler.hpp"
#include "gui/widgets/helper.hpp"
#include "gui/widgets/scrollbar.hpp"
#include "gui/widgets/spacer.hpp"
#include "gui/widgets/toggle_button.hpp"
#include "gui/widgets/toggle_panel.hpp"
#include "gui/widgets/window.hpp"
#include "log.hpp"
#define DBG_G LOG_STREAM_INDENT(debug, gui)
@ -89,8 +91,61 @@ tlistbox::tlistbox() :
{
}
void tlistbox::mouse_left_button_down(tevent_handler& event)
{
/**
* @todo We never get called since the mouse events are captured by our
* children.
*/
DBG_G_E << "Listbox: left mouse button down.\n";
event.keyboard_capture(this);
}
void tlistbox::key_press(tevent_handler& /*event*/, bool& handled,
SDLKey key, SDLMod /*modifier*/, Uint16 /*unicode*/)
{
DBG_G_E << "Listbox: key press.\n";
/**
* @todo Proof of concept only handles up and down and not too elegant.
* Ignores the modifiers and also whether or not rows are active. When
* moving out of visible range we don't scroll down and possibly more minor
* glitches exist in this hack.
*/
switch(key) {
case SDLK_UP : {
int i = get_selected_row() - 1;
if(i >= 0) {
select_row(i);
handled = true;
}
break;
}
case SDLK_DOWN : {
int i = get_selected_row() + 1;
if(i < rows_.size()) {
select_row(i);
handled = true;
}
break;
}
default :
/* DO NOTHING */
break;
}
}
void tlistbox::list_item_selected(twidget* caller)
{
/** @todo Hack to capture the keyboard focus. */
get_window()->keyboard_capture(this);
for(unsigned i = 0; i < scrollbar()->get_visible_items(); ++i) {
const unsigned row = i + scrollbar()->get_item_position();
@ -115,6 +170,9 @@ void tlistbox::list_item_selected(twidget* caller)
void tlistbox::scrollbar_click(twidget* caller)
{
/** @todo Hack to capture the keyboard focus. */
get_window()->keyboard_capture(this);
if(caller->id() == "_begin") {
scrollbar()->scroll(tscrollbar_::BEGIN);
} else if(caller->id() == "_line_up") {

7
src/gui/widgets/listbox.hpp
View File

@ -42,6 +42,13 @@ public:
bool get_active() const { return state_ != DISABLED; }
unsigned get_state() const { return state_; }
/** Inherited from tevent_executor. */
void mouse_left_button_down(tevent_handler& event);
/** Inherited from tevent_executor. */
void key_press(tevent_handler& event, bool& handled,
SDLKey key, SDLMod modifier, Uint16 unicode);
/** Inherited from twidget. */
bool has_vertical_scrollbar() const { return true; }