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458 lines
14 KiB
458 lines
14 KiB
/* $id: Exp $ */
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/***************************************************************************
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* gui.c
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*
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* 2011-03-10
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* Copyright (C) 2011 Steffen Pohle
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* steffen@gulpe.de
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****************************************************************************/
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* main.c is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "osmroute.h"
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#include "draw.h"
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#include "gui.h"
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#include "system.h"
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GUIWindow *currentwin = NULL;
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/*
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* show window
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*/
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void gui_show (GUIWindow *win) {
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win->parent = currentwin;
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currentwin = win;
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draw ();
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};
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/*
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* closes current windows
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*/
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void gui_close () {
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d_printf ("GUI close: %p", currentwin);
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GUIWindow *win;
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win = currentwin->parent;
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if (currentwin->callback_close != NULL) currentwin->callback_close ();
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currentwin = win;
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draw ();
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};
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/*
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* draw current gui
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*/
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void gui_draw () {
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int i;
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static time_t lastupdate;
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time_t now = time (NULL);
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struct line_style ls;
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if (currentwin == NULL) gui_buttons_show ();
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if (currentwin->screen == NULL) {
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currentwin->screen = gfx_img_alloc (currentwin->w, currentwin->h);
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}
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// d_printf ("GUI draw: %p %s screen:%p(changed:%d) pos: %d,%d size:%d,%d", currentwin, currentwin->title, currentwin->screen, currentwin->screen_changed, currentwin->x, currentwin->y, currentwin->w, currentwin->h);
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if (currentwin && (currentwin->screen_changed || now-1 > lastupdate || now < lastupdate)) {
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lastupdate = now;
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if ((currentwin->style & WGUI_S_NOTITLE) == WGUI_S_NOTITLE) {
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gfx_clear (currentwin->screen, &color[COLOR_white][0]);
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}
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else {
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ls.width = 1.0;
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ls.c = ls.borderc = color[COLOR_white][3];
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draw_polygonstart ();
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draw_polygonadd (0, 0);
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draw_polygonadd (0, currentwin->h-1);
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draw_polygonadd (currentwin->w-1, currentwin->h-1);
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draw_polygonadd (currentwin->w-1, 0);
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draw_polygonfinish (currentwin->screen, ls, color[COLOR_white][0], 1);
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gfx_draw_text (currentwin->screen, 4, 0, currentwin->title, &color[COLOR_white][3]);
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}
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for (i = 0; i < GUI_WIN_BUTTONS; i++) if (currentwin->buttons[i].id != 0) {
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if (currentwin->buttons[i].callback_draw != NULL)
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currentwin->buttons[i].callback_draw (¤twin->buttons[i]);
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else gui_button_draw (¤twin->buttons[i]);
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}
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for (i = 0; i < GUI_WIN_LABELS; i++) if (currentwin->labels[i].id != 0) {
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gui_label_draw (¤twin->labels[i]);
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}
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for (i = 0; i < GUI_WIN_ENTRYS; i++) if (currentwin->entrys[i].id != 0) {
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gui_entry_draw (¤twin->entrys[i]);
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}
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for (i = 0; i < GUI_WIN_LISTS; i++) if (currentwin->lists[i].id != 0) {
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gui_list_draw (¤twin->lists[i]);
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}
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for (i = 0; i < GUI_WIN_CHECKBOXES; i++) if (currentwin->checkboxes[i].id != 0) {
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// gui_draw_label (¤twin->labels[i]);
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}
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currentwin->screen_changed = 0;
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}
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if (currentwin) {
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if ((currentwin->style & WGUI_S_VCENTER) == WGUI_S_VCENTER) currentwin->x = gfx_screensize.x/2 - currentwin->w/2;
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if ((currentwin->style & WGUI_S_VCENTER) == WGUI_S_VLEFT) currentwin->x = 0;
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if ((currentwin->style & WGUI_S_VCENTER) == WGUI_S_VRIGHT) currentwin->x = gfx_screensize.x - currentwin->w;
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if ((currentwin->style & WGUI_S_HCENTER) == WGUI_S_HCENTER) currentwin->y = gfx_screensize.y/2 - currentwin->h/2;
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if ((currentwin->style & WGUI_S_HCENTER) == WGUI_S_HTOP) currentwin->y = 0;
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if ((currentwin->style & WGUI_S_HCENTER) == WGUI_S_HBOTTOM) currentwin->y = gfx_screensize.y - currentwin->h;
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gfx_draw_img (NULL, currentwin->x, currentwin->y, currentwin->w, currentwin->h, currentwin->screen, 0, 0);
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}
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};
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/*
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* eventhandling
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* return 0 for nothing done.. or 1 for eventhandling done
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*/
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int gui_event (GUIEvent event) {
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int i;
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static int event_called = 0;
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if (currentwin == NULL) return 0;
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event.mousepos.x -= currentwin->x;
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event.mousepos.y -= currentwin->y;
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if (currentwin->focus == NULL && (event.mousepos.x < 0 || event.mousepos.x > currentwin->w
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|| event.mousepos.y < 0 || event.mousepos.y > currentwin->h)) {
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event_called = 0;
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return 0;
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}
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// d_printf ("event called %d event:%d mousepos:(%d,%d)", __LINE__, event.event, event.mousepos.x, event.mousepos.y);
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if (event_called) return 1;
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event_called = 1;
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for (i = 0; i < GUI_WIN_BUTTONS; i++) {
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// if (currentwin->buttons[i].id != 0)
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// d_printf ("%d %d,%d %d,%d - %d,%d", currentwin->buttons[i].id, currentwin->buttons[i].x, currentwin->buttons[i].y, currentwin->buttons[i].w, currentwin->buttons[i].h, event.mousepos.x, event.mousepos.y);
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if (currentwin->buttons[i].id != 0
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&& currentwin->buttons[i].x <= event.mousepos.x && currentwin->buttons[i].x+currentwin->buttons[i].w >= event.mousepos.x
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&& currentwin->buttons[i].y <= event.mousepos.y && currentwin->buttons[i].y+currentwin->buttons[i].h >= event.mousepos.y) {
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if (currentwin->buttons[i].callback_clicked != NULL && event.event == EGUI_MOUSEPRESSED) {
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d_printf ("GUI BUTTON PRESSED: %d:%s", currentwin->buttons[i].id, currentwin->buttons[i].caption);
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currentwin->buttons[i].callback_clicked (event.mousepos.x-currentwin->buttons[i].x, event.mousepos.y-currentwin->buttons[i].y);
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event_called = 0;
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currentwin->screen_changed = 1;
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return 1;
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}
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}
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}
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for (i = 0; i < GUI_WIN_LABELS; i++) if (currentwin->labels[i].id != 0) {
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// gui_event_label (¤twin->labels[i]);
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}
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for (i = 0; i < GUI_WIN_ENTRYS; i++) if (currentwin->entrys[i].id != 0) {
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if (currentwin->entrys[i].id != 0
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&& currentwin->entrys[i].x <= event.mousepos.x && currentwin->entrys[i].x+currentwin->entrys[i].w >= event.mousepos.x
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&& currentwin->entrys[i].y <= event.mousepos.y && currentwin->entrys[i].y+currentwin->entrys[i].h >= event.mousepos.y) {
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gui_entry_event (¤twin->entrys[i], &event);
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event_called = 0;
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return 1;
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}
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}
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for (i = 0; i < GUI_WIN_LISTS; i++) if (currentwin->lists[i].id != 0) {
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if (currentwin->lists[i].x <= event.mousepos.x && currentwin->lists[i].x+currentwin->lists[i].w >= event.mousepos.x
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&& currentwin->lists[i].y <= event.mousepos.y && currentwin->lists[i].y+currentwin->lists[i].h >= event.mousepos.y) {
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gui_list_event (¤twin->lists[i], &event);
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event_called = 0;
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return 1;
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}
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}
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for (i = 0; i < GUI_WIN_CHECKBOXES; i++) if (currentwin->checkboxes[i].id != 0) {
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// gui_event_label (¤twin->labels[i]);
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}
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if (currentwin->focus != NULL) {
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for (i = 0; i < GUI_WIN_ENTRYS; i++) if (currentwin->focus == ¤twin->entrys[i]) {
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gui_entry_event (¤twin->entrys[i], &event);
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event_called = 0;
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return 1;
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}
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for (i = 0; i < GUI_WIN_LISTS; i++) if (currentwin->focus == ¤twin->lists[i]) {
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gui_list_event (¤twin->lists[i], &event);
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event_called = 0;
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return 1;
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}
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}
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event_called = 0;
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return 1;
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};
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/***************************************************************************
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* basic windows functions
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***************************************************************************/
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void guiwindow_new (GUIWindow *win, int w, int h, char *title) {
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int i;
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for (i = 0; i < GUI_MAX_ITEM; i++) {
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win->items[i]->item = NULL;
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win->items[i]->type = GUI_NONE;
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}
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strncpy (win->title, title, GUI_TEXTLEN);
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win->screen = NULL;
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win->screen_changed = 1;
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win->h = h;
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win->w = w;
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win->focus = NULL;
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d_printf ("guiwindow_new %p width:%d height:%d", win, w, h);
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};
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/*
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* set focus
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*/
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/*
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* closes the window, but does not free the memory.
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*/
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void guiwindow_close (GUIWindow *win) {
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int i;
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for (i = 0; i < GUI_WIN_BUTTONS; i++) {
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win->buttons[i].caption[0] = '\0';
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win->buttons[i].id = 0;
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win->buttons[i].callback_clicked = NULL;
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win->buttons[i].callback_draw = NULL;
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}
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for (i = 0; i < GUI_WIN_LABELS; i++) {
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win->labels[i].text[0] = '\0';
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win->labels[i].textcol = &color[COLOR_white][2];
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win->labels[i].id = 0;
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}
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for (i = 0; i < GUI_WIN_ENTRYS; i++) {
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win->entrys[i].text[0] = '\0';
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win->entrys[i].callback_enter = NULL;
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win->entrys[i].callback_changed = NULL;
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win->entrys[i].id = 0;
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}
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for (i = 0; i < GUI_WIN_CHECKBOXES; i++) {
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win->checkboxes[i].text[0] = '\0';
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win->checkboxes[i].callback_changed = NULL;
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win->checkboxes[i].id = 0;
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}
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win->title[0] = 0;
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gfx_img_free (win->screen);
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win->screen = NULL;
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win->screen_changed = 1;
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win->h = 0;
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win->w = 0;
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};
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/****************************************************************************
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****************************************************************************
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** gui elements
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**
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**/
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/****************************************************************************
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* button
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*/
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void gui_button_draw (GUIButton *button) {
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struct line_style ls;
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ls.width = 1.0;
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ls.c = ls.borderc = color[COLOR_white][3];
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draw_polygonstart ();
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draw_polygonadd (button->x, button->y);
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draw_polygonadd (button->x, button->y + button->h);
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draw_polygonadd (button->x + button->w, button->y + button->h);
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draw_polygonadd (button->x + button->w, button->y);
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draw_polygonfinish (currentwin->screen, ls, *button->col, 1);
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gfx_draw_text (currentwin->screen, button->x + 2, button->y + 2, button->caption, button->textcol);
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};
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/****************************************************************************
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* label
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*/
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void gui_label_draw (GUILabel *label) {
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struct line_style ls;
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ls.width = 1.0;
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ls.c = ls.borderc = color[COLOR_white][3];
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gfx_draw_text (currentwin->screen, label->x, label->y, label->text, label->textcol);
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};
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/****************************************************************************
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* entry
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*/
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void gui_entry_draw (GUIEntry *entry) {
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char text1[GUI_TEXTLEN];
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char text2[GUI_TEXTLEN];
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struct line_style ls;
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ls.width = 1.0;
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if (currentwin->focus == entry)
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ls.c = ls.borderc = color[COLOR_white][3];
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else
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ls.c = ls.borderc = color[COLOR_white][2];
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gfx_draw_line (currentwin->screen, entry->x, entry->y+entry->h, entry->x+entry->w, entry->y+entry->h, ls);
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gfx_draw_line (currentwin->screen, entry->x, entry->y+entry->h, entry->x, entry->y+entry->h-2, ls);
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gfx_draw_line (currentwin->screen, entry->x+entry->w, entry->y+entry->h, entry->x+entry->w, entry->y+entry->h-2, ls);
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if (entry->curpos >= strlen (entry->text)) {
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entry->curpos = strlen (entry->text);
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snprintf (text1, GUI_TEXTLEN, "%s|", entry->text);
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}
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else if (entry->curpos <= 0) {
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entry->curpos = 0;
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snprintf (text1, GUI_TEXTLEN, "|%s", entry->text);
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}
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else {
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strncpy (text2, entry->text, entry->curpos);
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snprintf (text1, GUI_TEXTLEN, "%s|%s", text2, entry->text+entry->curpos);
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}
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gfx_draw_text (currentwin->screen, entry->x+2, entry->y, text1, &color[COLOR_white][3]);
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};
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/*
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* event handling
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*/
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void gui_entry_event (GUIEntry *entry, GUIEvent *event) {
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char text1[GUI_TEXTLEN];
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if (event->event == EGUI_MOUSERELEASED
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&& entry->x <= event->mousepos.x && entry->x+entry->w >= event->mousepos.x
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&& entry->y <= event->mousepos.y && entry->y+entry->h >= event->mousepos.y) {
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d_printf ("gui_entry_event set focus");
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currentwin->focus = entry;
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}
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else if (event->event == EGUI_KEYRELEASED) {
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d_printf ("gui_entry_event: curpos:%d len:%d text:%s char:%x", entry->curpos, strlen (entry->text), entry->text, event->keyval);
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if (event->keyval == 0xff08) { // backspace
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// strncpy (text1, entry->text, entry->curpos-1);
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// snprintf (text2, GUI_TEXTLEN, "%s%s", text1, entry->text+entry->curpos);
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// strncpy (entry->text, text2, GUI_TEXTLEN);
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// entry->curpos--;
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entry->text[0] = 0;
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entry->curpos = 0;
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}
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else if (event->keyval == 0xff1b) { // esc
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gui_close ();
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}
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else if (event->keyval == 0xff0d) { // enter
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if (entry->callback_enter) entry->callback_enter ();
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}
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else if (event->keyval == 0xff51) { // left
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// entry->curpos--;
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}
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else if (event->keyval == 0xff53) { // right
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// entry->curpos++;
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}
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else if ((event->keyval & 0xff00) == 0xff00) {
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// ignore all the rest
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}
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else {
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strncpy (text1, entry->text, GUI_TEXTLEN );
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snprintf (entry->text, GUI_TEXTLEN, "%s%c", text1, event->keyval);
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entry->curpos++;
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}
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}
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currentwin->screen_changed = 1;
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return;
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};
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/****************************************************************************
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* list
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*/
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void gui_list_draw (GUIList *list) {
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struct line_style ls;
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int max, i, x, y, j;
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ls.width = 1.0;
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if (currentwin->focus == list)
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ls.c = ls.borderc = color[COLOR_white][3];
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else
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ls.c = ls.borderc = color[COLOR_white][2];
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gfx_draw_line (currentwin->screen, list->x, list->y, list->x+list->w, list->y, ls);
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gfx_draw_line (currentwin->screen, list->x+list->w, list->y, list->x+list->w, list->y+list->h, ls);
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gfx_draw_line (currentwin->screen, list->x+list->w, list->y+list->h, list->x, list->y+list->h, ls);
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gfx_draw_line (currentwin->screen, list->x, list->y+list->h, list->x, list->y, ls);
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if (list->data == NULL) return;
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for (max = 0; list->data[max] != NULL; max++);
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/* range to display */
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i = max - list->h/16;
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if (i < list->vs) list->vs = i;
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if (list->vs < 0) list->vs = 0;
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for (i = list->vs; i < (list->vs + list->h/16) && i < max; i++) {
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if (i == list->selected) gfx_draw_text (currentwin->screen, list->x + 5, list->y + 5 + 16 * (i - list->vs), list->data[i], &color[COLOR_red][1]);
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else gfx_draw_text (currentwin->screen, list->x + 5, list->y + 5 + 16 * (i - list->vs), list->data[i], &color[COLOR_white][3]);
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}
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ls.c = ls.borderc = color[COLOR_white][3];
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for (i = -1; i < 2; i += 2) {
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if (i < 0) y = list->y + list->h;
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else y = list->y;
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x = list->x + list->w;
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for (j = 0; j <= 5; j++) {
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gfx_draw_line (currentwin->screen, x - 5, y, x-j, y + i*5, ls);
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gfx_draw_line (currentwin->screen, x - 5 -j, y+ i*5, x-5, y, ls);
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}
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}
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};
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/*
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* event handling
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*/
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void gui_list_event (GUIList *list, GUIEvent *event) {
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int x = event->mousepos.x - list->x;
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int y = event->mousepos.y - list->y;
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int i;
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/* set focus */
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if (event->event == EGUI_MOUSERELEASED && x >= 0 && x <= list->w && y >= 0 && y <= list->h) {
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currentwin->focus = list;
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if (y <= 5 && x >= list->w - 10) list->vs--;
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else if (y >= list->h - 5 && x >= list->w - 10) list->vs++;
|
|
else { /* select entry */
|
|
i = (y-5)/16 + list->vs;
|
|
list->selected = i;
|
|
if (list->callback_selectitem) list->callback_selectitem (i);
|
|
d_printf ("selected nr: %d", i);
|
|
}
|
|
}
|
|
currentwin->screen_changed = 1;
|
|
draw ();
|
|
};
|