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https://gitee.com/idea4good/GuiLite.git
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refactor folder
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206
workspace/widgets/list_box.cpp
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206
workspace/widgets/list_box.cpp
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#include "../core_include/api.h"
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#include "../core_include/rect.h"
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#include "../core_include/cmd_target.h"
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#include "../core_include/resource.h"
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#include "../core_include/wnd.h"
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#include "../core_include/surface.h"
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#include "../core_include/bitmap.h"
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#include "../core_include/word.h"
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#include "../core_include/theme.h"
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#include "../widgets_include/button.h"
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#include "../widgets_include/list_box.h"
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#include <string.h>
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#define ITEM_HEIGHT 45
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void c_list_box::pre_create_wnd()
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{
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m_attr = (WND_ATTRIBUTION)(ATTR_VISIBLE | ATTR_FOCUS);
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memset(m_item_array, 0, sizeof(m_item_array));
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m_item_total = 0;
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m_selected_item = 0;
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m_font_type = c_theme::get_font(FONT_DEFAULT);
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m_font_color = c_theme::get_color(COLOR_WND_FONT);
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}
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void c_list_box::on_focus()
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{
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m_status = STATUS_FOCUSED;
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on_paint();
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}
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void c_list_box::on_kill_focus()
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{
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m_status = STATUS_NORMAL;
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on_paint();
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}
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void c_list_box::on_paint()
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{
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c_rect rect, empty_rect;
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get_screen_rect(rect);
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switch(m_status)
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{
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case STATUS_NORMAL:
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if (m_z_order > m_parent->get_z_order())
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{
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m_surface->set_frame_layer_visible_rect(empty_rect, m_z_order);
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m_z_order = m_parent->get_z_order();
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m_attr = (WND_ATTRIBUTION)(ATTR_VISIBLE | ATTR_FOCUS);
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}
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m_surface->fill_rect(rect, c_theme::get_color(COLOR_WND_NORMAL), m_z_order);
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c_word::draw_string_in_rect(m_surface, m_z_order, m_item_array[m_selected_item], rect, m_font_type, m_font_color, c_theme::get_color(COLOR_WND_NORMAL), ALIGN_HCENTER | ALIGN_VCENTER);
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break;
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case STATUS_FOCUSED:
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if (m_z_order > m_parent->get_z_order())
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{
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m_surface->set_frame_layer_visible_rect(empty_rect, m_z_order);
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m_z_order = m_parent->get_z_order();
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m_attr = (WND_ATTRIBUTION)(ATTR_VISIBLE | ATTR_FOCUS);
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}
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m_surface->fill_rect(rect, c_theme::get_color(COLOR_WND_FOCUS), m_z_order);
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c_word::draw_string_in_rect(m_surface, m_z_order, m_item_array[m_selected_item], rect, m_font_type, m_font_color, c_theme::get_color(COLOR_WND_FOCUS), ALIGN_HCENTER | ALIGN_VCENTER);
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break;
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case STATUS_PUSHED:
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m_surface->fill_rect(rect, c_theme::get_color(COLOR_WND_PUSHED), m_z_order);
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m_surface->draw_rect(rect, c_theme::get_color(COLOR_WND_BORDER), 2, m_z_order);
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c_word::draw_string_in_rect(m_surface, m_z_order, m_item_array[m_selected_item], rect, m_font_type, GL_RGB(2, 124, 165), GL_ARGB(0, 0, 0, 0), ALIGN_HCENTER | ALIGN_VCENTER);
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//draw list
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if (m_item_total > 0)
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{
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if (m_z_order == m_parent->get_z_order())
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{
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m_z_order++;
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}
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m_surface->set_frame_layer_visible_rect(m_list_screen_rect, m_z_order);
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m_attr = (WND_ATTRIBUTION)(ATTR_VISIBLE | ATTR_FOCUS | ATTR_MODAL);
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show_list();
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}
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break;
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default:
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ASSERT(false);
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}
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}
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bool c_list_box::on_touch(int x, int y, TOUCH_ACTION action)
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{
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(action == TOUCH_DOWN) ? on_touch_down(x, y) : on_touch_up(x, y);
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return true;
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}
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void c_list_box::on_touch_down(int x, int y)
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{
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if (m_wnd_rect.PtInRect(x, y) )
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{//click base
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if (STATUS_NORMAL == m_status)
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{
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m_parent->set_child_focus(this);
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}
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}
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else if (m_list_wnd_rect.PtInRect(x, y))
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{//click extend list
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c_wnd::on_touch(x, y, TOUCH_DOWN);
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}
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else
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{
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if (STATUS_PUSHED == m_status)
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{
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m_status = STATUS_FOCUSED;
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on_paint();
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notify_parent(GL_LIST_CONFIRM, m_selected_item);
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}
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}
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}
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void c_list_box::on_touch_up(int x, int y)
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{
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if (STATUS_FOCUSED == m_status)
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{
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m_status = STATUS_PUSHED;
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on_paint();
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}
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else if (STATUS_PUSHED == m_status)
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{
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if (m_wnd_rect.PtInRect(x, y))
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{//click base
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m_status = STATUS_FOCUSED;
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on_paint();
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}
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else if (m_list_wnd_rect.PtInRect(x, y))
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{//click extend list
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m_status = STATUS_FOCUSED;
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select_item((y - m_list_wnd_rect.m_top) / ITEM_HEIGHT);
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on_paint();
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notify_parent(GL_LIST_CONFIRM, m_selected_item);
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}
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else
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{
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c_wnd::on_touch(x, y, TOUCH_UP);
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}
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}
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}
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void c_list_box::update_list_size()
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{
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m_list_wnd_rect = m_wnd_rect;
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m_list_wnd_rect.m_top = m_wnd_rect.m_bottom + 1;
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m_list_wnd_rect.m_bottom = m_list_wnd_rect.m_top + m_item_total * ITEM_HEIGHT;
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get_screen_rect(m_list_screen_rect);
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m_list_screen_rect.m_top = m_list_screen_rect.m_bottom + 1;
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m_list_screen_rect.m_bottom = m_list_screen_rect.m_top + m_item_total * ITEM_HEIGHT;
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}
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void c_list_box::show_list()
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{
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//draw all items
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c_rect tmp_rect;
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for (int i = 0; i < m_item_total; i++)
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{
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tmp_rect.m_left = m_list_screen_rect.m_left;
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tmp_rect.m_right = m_list_screen_rect.m_right;
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tmp_rect.m_top = m_list_screen_rect.m_top + i * ITEM_HEIGHT;
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tmp_rect.m_bottom = tmp_rect.m_top + ITEM_HEIGHT;
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if (m_selected_item == i)
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{
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m_surface->fill_rect(tmp_rect, c_theme::get_color(COLOR_WND_FOCUS), m_z_order);
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c_word::draw_string_in_rect(m_surface, m_z_order, m_item_array[i], tmp_rect, m_font_type, m_font_color, c_theme::get_color(COLOR_WND_FOCUS), ALIGN_HCENTER | ALIGN_VCENTER);
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}
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else
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{
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m_surface->fill_rect(tmp_rect, GL_RGB(17, 17, 17), m_z_order);
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c_word::draw_string_in_rect(m_surface, m_z_order, m_item_array[i], tmp_rect, m_font_type, m_font_color, GL_RGB(17, 17, 17), ALIGN_HCENTER | ALIGN_VCENTER);
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}
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}
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}
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int c_list_box::add_item(char* str)
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{
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if (m_item_total >= MAX_ITEM_NUM)
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{
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ASSERT(false);
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return -1;
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}
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m_item_array[m_item_total++] = str;
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update_list_size();
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return 0;
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}
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void c_list_box::clear_item()
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{
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m_selected_item = m_item_total = 0;
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memset(m_item_array, 0, sizeof(m_item_array));
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update_list_size();
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}
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void c_list_box::select_item(short index)
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{
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if (index < 0 || index >= m_item_total)
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{
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ASSERT(false);
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}
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m_selected_item = index;
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}
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