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/*
* Copyright (c) 1997 - 2001 Hansjrg Malthaner
*
* This file is part of the Simutrans project under the artistic licence.
* (see licence.txt)
*/
#include "gui_tab_panel.h"
#include "../../simevent.h"
#include "../../simgraph.h"
#include "../../simcolor.h"
#include "../../simwin.h"
#include "../../besch/skin_besch.h"
#define IMG_WIDTH 20
gui_tab_panel_t::gui_tab_panel_t() :
required_groesse( 8, HEADER_VSIZE )
{
active_tab = 0;
offset_tab = 0;
left.init( button_t::arrowleft, NULL, koord(0,0) );
left.add_listener( this );
right.init( button_t::arrowright, NULL, koord(0,0) );
right.add_listener( this );
}
void gui_tab_panel_t::add_tab(gui_komponente_t *c, const char *name, const skin_besch_t *besch, const char *tooltip )
{
tabs.append( tab(c, besch?NULL:name, besch?besch->get_bild(0):NULL, tooltip) );
set_groesse( get_groesse() );
}
void gui_tab_panel_t::set_groesse(koord gr)
{
gui_komponente_t::set_groesse(gr);
required_groesse = koord( 8, HEADER_VSIZE );
FOR(slist_tpl<tab>, & i, tabs) {
i.x_offset = required_groesse.x - 4;
i.width = 8 + (i.title ? proportional_string_width(i.title) : IMG_WIDTH);
required_groesse.x += i.width;
i.component->set_pos(koord(0, HEADER_VSIZE));
i.component->set_groesse(get_groesse() - koord(0, HEADER_VSIZE));
}
if( required_groesse.x>gr.x ) {
left.set_pos( koord( 2, 5 ) );
right.set_pos( koord( gr.x-10, 5 ) );
}
}
bool gui_tab_panel_t::action_triggered(gui_action_creator_t *komp, value_t)
{
if( komp==&right ) {
offset_tab = min( offset_tab+1, tabs.get_count()-1 );
}
else if( komp==&left ) {
offset_tab = max( offset_tab-1, 0 );
}
return true;
}
bool gui_tab_panel_t::infowin_event(const event_t *ev)
{
if( required_groesse.x>groesse.x && ev->ev_class!=EVENT_KEYBOARD && ev->ev_code==MOUSE_LEFTBUTTON ) {
// buttons pressed
if( left.getroffen(ev->cx, ev->cy) ) {
event_t ev2 = *ev;
translate_event(&ev2, -left.get_pos().x, -left.get_pos().y);
return left.infowin_event(&ev2);
}
else if( right.getroffen(ev->cx, ev->cy) ) {
event_t ev2 = *ev;
translate_event(&ev2, -right.get_pos().x, -right.get_pos().y);
return right.infowin_event(&ev2);
}
}
if( IS_LEFTRELEASE(ev) && (ev->my > 0 && ev->my < HEADER_VSIZE-1) ) {
// Reiter getroffen
int text_x = required_groesse.x>groesse.x ? 14 : 4;
int k=0;
FORX(slist_tpl<tab>, const& i, tabs, ++k) {
if( k>=offset_tab ) {
if (text_x < ev->mx && text_x + i.width > ev->mx) {
// either tooltip or change
active_tab = k;
call_listeners((long)active_tab);
return true;
}
text_x += i.width;
}
}
return true;
}
// Knightly : navigate among the tabs using Ctrl-PgUp and Ctrl-PgDn
if( ev->ev_class==EVENT_KEYBOARD && IS_CONTROL_PRESSED(ev) ) {
if( ev->ev_code==SIM_KEY_PGUP ) {
// Ctrl-PgUp -> go to the previous tab
const int next_tab_idx = active_tab - 1;
active_tab = next_tab_idx<0 ? max(0, (int)tabs.get_count()-1) : next_tab_idx;
return true;
}
else if( ev->ev_code==SIM_KEY_PGDN ) {
// Ctrl-PgDn -> go to the next tab
const int next_tab_idx = active_tab + 1;
active_tab = next_tab_idx>=(int)tabs.get_count() ? 0 : next_tab_idx;
return true;
}
}
if( ev->ev_class == EVENT_KEYBOARD || DOES_WINDOW_CHILDREN_NEED(ev) || get_aktives_tab()->getroffen(ev->mx, ev->my) || get_aktives_tab()->getroffen(ev->cx, ev->cy)) {
// Komponente getroffen
event_t ev2 = *ev;
translate_event(&ev2, -get_aktives_tab()->get_pos().x, -get_aktives_tab()->get_pos().y );
return get_aktives_tab()->infowin_event(&ev2);
}
return false;
}
void gui_tab_panel_t::zeichnen(koord parent_pos)
{
// Position am Bildschirm/Fenster
int xpos = parent_pos.x + pos.x;
const int ypos = parent_pos.y + pos.y;
if( required_groesse.x>groesse.x ) {
left.zeichnen( parent_pos+pos );
right.zeichnen( parent_pos+pos );
display_fillbox_wh_clip(xpos, ypos+HEADER_VSIZE-1, 10, 1, COL_WHITE, true);
xpos += 10;
}
int text_x = xpos+8;
display_fillbox_wh_clip(xpos, ypos+HEADER_VSIZE-1, 4, 1, COL_WHITE, true);
// do not draw under right button
int xx = required_groesse.x>get_groesse().x ? get_groesse().x-22 : get_groesse().x;
int i=0;
FORX(slist_tpl<tab>, const& iter, tabs, ++i) {
// just draw component, if here ...
if (i == active_tab) {
iter.component->zeichnen(parent_pos + pos);
}
if(i>=offset_tab) {
// set clipping
PUSH_CLIP(xpos, ypos, xx, ypos+HEADER_VSIZE);
// only start drwing here ...
char const* const text = iter.title;
const int width = text ? proportional_string_width( text ) : IMG_WIDTH;
if (i != active_tab) {
display_fillbox_wh_clip(text_x-4, ypos+HEADER_VSIZE-1, width+8, 1, MN_GREY4, true);
display_fillbox_wh_clip(text_x-3, ypos+4, width+5, 1, MN_GREY4, true);
display_vline_wh_clip(text_x-4, ypos+5, HEADER_VSIZE-6, MN_GREY4, true);
display_vline_wh_clip(text_x+width+3, ypos+5, HEADER_VSIZE-6, MN_GREY0, true);
if(text) {
display_proportional_clip(text_x, ypos+7, text, ALIGN_LEFT, COL_WHITE, true);
}
else {
KOORD_VAL const y = ypos - iter.img->get_pic()->y + 10 - iter.img->get_pic()->h / 2;
KOORD_VAL const x = text_x - iter.img->get_pic()->x + IMG_WIDTH / 2 - iter.img->get_pic()->w / 2;
display_img_blend(iter.img->get_nummer(), x, y, TRANSPARENT50_FLAG, false, true);
}
}
else {
display_fillbox_wh_clip(text_x-3, ypos+3, width+5, 1, MN_GREY4, true);
display_vline_wh_clip(text_x-4, ypos+4, 13, MN_GREY4, true);
display_vline_wh_clip(text_x+width+3, ypos+4, 13, MN_GREY0, true);
if(text) {
display_proportional_clip(text_x, ypos+7, text, ALIGN_LEFT, COL_BLACK, true);
}
else {
KOORD_VAL const y = ypos - iter.img->get_pic()->y + 10 - iter.img->get_pic()->h / 2;
KOORD_VAL const x = text_x - iter.img->get_pic()->x + IMG_WIDTH / 2 - iter.img->get_pic()->w / 2;
display_color_img(iter.img->get_nummer(), x, y, 0, false, true);
}
}
text_x += width + 8;
// reset clipping
POP_CLIP();
}
}
display_fillbox_wh_clip(text_x-4, ypos+HEADER_VSIZE-1, xpos+groesse.x-(text_x-4), 1, MN_GREY4, true);
// now for tooltips ...
int my = get_maus_y()-parent_pos.y-pos.y-6;
if(my>=0 && my < HEADER_VSIZE-1) {
// Reiter getroffen?
int mx = get_maus_x()-parent_pos.x-pos.x-11;
int text_x = 4;
int i=0;
FORX(slist_tpl<tab>, const& iter, tabs, ++i) {
if( i>=offset_tab ) {
char const* const text = iter.title;
const int width = text ? proportional_string_width( text ) : IMG_WIDTH;
if(text_x < mx && text_x+width+8 > mx && (required_groesse.x<=get_groesse().x || mx < right.get_pos().x-12)) {
// tooltip or change
win_set_tooltip(get_maus_x() + 16, ypos + HEADER_VSIZE + 12, iter.tooltip, &iter, this);
break;
}
text_x += width + 8;
}
}
}
}
void gui_tab_panel_t::clear()
{
tabs.clear();
active_tab = 0;
}
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