mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-26 19:55:44 +00:00
299 lines
8.0 KiB
C++
299 lines
8.0 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "kyra/gui.h"
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#include "kyra/screen.h"
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#include "kyra/text.h"
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namespace Kyra {
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GUI::GUI(KyraEngine *kyra)
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: _vm(kyra), _screen(kyra->screen()), _text(kyra->text()) {
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_menuButtonList = 0;
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_haveScrollButtons = false;
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_redrawButtonFunctor = BUTTON_FUNCTOR(GUI, this, &GUI::redrawButtonCallback);
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_redrawShadedButtonFunctor = BUTTON_FUNCTOR(GUI, this, &GUI::redrawShadedButtonCallback);
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}
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Button *GUI::addButtonToList(Button *list, Button *newButton) {
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if (!newButton)
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return list;
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newButton->nextButton = 0;
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if (list) {
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Button *cur = list;
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while (cur->nextButton)
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cur = cur->nextButton;
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cur->nextButton = newButton;
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} else {
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list = newButton;
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}
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return list;
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}
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void GUI::initMenuLayout(Menu &menu) {
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if (menu.x == -1)
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menu.x = (320 - menu.width) >> 1;
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if (menu.y == -1)
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menu.y = (200 - menu.height) >> 1;
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for (int i = 0; i < menu.numberOfItems; ++i) {
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if (menu.item[i].x == -1)
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menu.item[i].x = (menu.width - menu.item[i].width) >> 1;
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}
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}
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void GUI::initMenu(Menu &menu) {
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_menuButtonList = 0;
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_screen->hideMouse();
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int textX;
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int textY;
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int menu_x2 = menu.width + menu.x - 1;
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int menu_y2 = menu.height + menu.y - 1;
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_screen->fillRect(menu.x + 2, menu.y + 2, menu_x2 - 2, menu_y2 - 2, menu.bkgdColor);
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_screen->drawShadedBox(menu.x, menu.y, menu_x2, menu_y2, menu.color1, menu.color2);
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if (menu.titleX != -1)
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textX = menu.titleX;
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else
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textX = _text->getCenterStringX(getMenuTitle(menu), menu.x, menu_x2);
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textY = menu.y + menu.titleY;
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_text->printText(getMenuTitle(menu), textX - 1, textY + 1, defaultColor1(), defaultColor2(), 0);
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_text->printText(getMenuTitle(menu), textX, textY, menu.textColor, 0, 0);
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int x1, y1, x2, y2;
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for (int i = 0; i < menu.numberOfItems; ++i) {
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if (!menu.item[i].enabled)
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continue;
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x1 = menu.x + menu.item[i].x;
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y1 = menu.y + menu.item[i].y;
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x2 = x1 + menu.item[i].width - 1;
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y2 = y1 + menu.item[i].height - 1;
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if (i < 7) {
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Button *menuButtonData = getButtonListData() + i;
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menuButtonData->nextButton = 0;
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menuButtonData->x = x1;
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menuButtonData->y = y1;
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menuButtonData->width = menu.item[i].width - 1;
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menuButtonData->height = menu.item[i].height - 1;
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menuButtonData->buttonCallback = menu.item[i].callback;
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menuButtonData->index = menu.item[i].saveSlot;
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menuButtonData->unk6 = menu.item[i].unk1F;
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menuButtonData->unk8 = 0;
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_menuButtonList = addButtonToList(_menuButtonList, menuButtonData);
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}
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_screen->fillRect(x1, y1, x2, y2, menu.item[i].bkgdColor);
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_screen->drawShadedBox(x1, y1, x2, y2, menu.item[i].color1, menu.item[i].color2);
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if (menu.item[i].itemString) {
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if (menu.item[i].titleX != -1)
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textX = x1 + menu.item[i].titleX + 3;
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else
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textX = _text->getCenterStringX(menu.item[i].itemString, x1, x2);
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textY = y1 + 2;
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_text->printText(menu.item[i].itemString, textX - 1, textY + 1, defaultColor1(), 0, 0);
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if (i == menu.highlightedItem)
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_text->printText(menu.item[i].itemString, textX, textY, menu.item[i].highlightColor, 0, 0);
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else
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_text->printText(menu.item[i].itemString, textX, textY, menu.item[i].textColor, 0, 0);
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if (getMenuItemLabel(menu.item[i])) {
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_text->printText(getMenuItemLabel(menu.item[i]), menu.x + menu.item[i].labelX - 1, menu.y + menu.item[i].labelY + 1, defaultColor1(), 0, 0);
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_text->printText(getMenuItemLabel(menu.item[i]), menu.x + menu.item[i].labelX, menu.y + menu.item[i].labelY, menu.item[i].textColor, 0, 0);
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}
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}
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}
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if (menu.scrollUpButtonX != -1) {
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_haveScrollButtons = true;
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Button *scrollUpButton = getScrollUpButton();
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scrollUpButton->x = menu.scrollUpButtonX + menu.x;
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scrollUpButton->y = menu.scrollUpButtonY + menu.y;
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scrollUpButton->buttonCallback = getScrollUpButtonHandler();
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scrollUpButton->nextButton = 0;
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_menuButtonList = addButtonToList(_menuButtonList, scrollUpButton);
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updateMenuButton(scrollUpButton);
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Button *scrollDownButton = getScrollDownButton();
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scrollDownButton->x = menu.scrollDownButtonX + menu.x;
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scrollDownButton->y = menu.scrollDownButtonY + menu.y;
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scrollDownButton->buttonCallback = getScrollDownButtonHandler();
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scrollDownButton->nextButton = 0;
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_menuButtonList = addButtonToList(_menuButtonList, scrollDownButton);
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updateMenuButton(scrollDownButton);
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} else {
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_haveScrollButtons = false;
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}
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_screen->showMouse();
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_screen->updateScreen();
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}
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void GUI::processHighlights(Menu &menu, int mouseX, int mouseY) {
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int x1, y1, x2, y2;
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for (int i = 0; i < menu.numberOfItems; ++i) {
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if (!menu.item[i].enabled)
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continue;
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x1 = menu.x + menu.item[i].x;
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y1 = menu.y + menu.item[i].y;
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x2 = x1 + menu.item[i].width;
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y2 = y1 + menu.item[i].height;
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if (mouseX > x1 && mouseX < x2 &&
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mouseY > y1 && mouseY < y2) {
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if (menu.highlightedItem != i) {
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if (menu.item[menu.highlightedItem].enabled)
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redrawText(menu);
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menu.highlightedItem = i;
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redrawHighlight(menu);
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_screen->updateScreen();
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}
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}
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}
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}
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void GUI::redrawText(const Menu &menu) {
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int textX;
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int i = menu.highlightedItem;
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int x1 = menu.x + menu.item[i].x;
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int y1 = menu.y + menu.item[i].y;
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int x2 = x1 + menu.item[i].width - 1;
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if (menu.item[i].titleX >= 0)
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textX = x1 + menu.item[i].titleX + 3;
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else
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textX = _text->getCenterStringX(getMenuItemTitle(menu.item[i]), x1, x2);
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int textY = y1 + 2;
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_text->printText(getMenuItemTitle(menu.item[i]), textX - 1, textY + 1, defaultColor1(), 0, 0);
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_text->printText(getMenuItemTitle(menu.item[i]), textX, textY, menu.item[i].textColor, 0, 0);
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}
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void GUI::redrawHighlight(const Menu &menu) {
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int textX;
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int i = menu.highlightedItem;
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int x1 = menu.x + menu.item[i].x;
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int y1 = menu.y + menu.item[i].y;
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int x2 = x1 + menu.item[i].width - 1;
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if (menu.item[i].titleX != -1)
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textX = x1 + menu.item[i].titleX + 3;
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else
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textX = _text->getCenterStringX(getMenuItemTitle(menu.item[i]), x1, x2);
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int textY = y1 + 2;
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_text->printText(getMenuItemTitle(menu.item[i]), textX - 1, textY + 1, defaultColor1(), 0, 0);
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_text->printText(getMenuItemTitle(menu.item[i]), textX, textY, menu.item[i].highlightColor, 0, 0);
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}
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void GUI::updateAllMenuButtons() {
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for (Button *cur = _menuButtonList; cur; cur = cur->nextButton)
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updateMenuButton(cur);
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}
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void GUI::updateMenuButton(Button *button) {
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if (!_displayMenu)
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return;
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_screen->hideMouse();
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updateButton(button);
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_screen->showMouse();
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}
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void GUI::updateButton(Button *button) {
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if (!button || (button->flags & 8))
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return;
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if (button->flags2 & 1)
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button->flags2 &= 0xFFF7;
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else
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button->flags2 |= 8;
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button->flags2 &= 0xFFFC;
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if (button->flags2 & 4)
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button->flags2 |= 0x10;
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else
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button->flags2 &= 0xEEEF;
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button->flags2 &= 0xFFFB;
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processButton(button);
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}
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int GUI::redrawButtonCallback(Button *button) {
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if (!_displayMenu)
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return 0;
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_screen->hideMouse();
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_screen->drawBox(button->x + 1, button->y + 1, button->x + button->width - 1, button->y + button->height - 1, 0xF8);
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_screen->showMouse();
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return 0;
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}
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int GUI::redrawShadedButtonCallback(Button *button) {
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if (!_displayMenu)
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return 0;
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_screen->hideMouse();
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_screen->drawShadedBox(button->x, button->y, button->x + button->width, button->y + button->height, 0xF9, 0xFA);
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_screen->showMouse();
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return 0;
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}
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} // end of namespace Kyra
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