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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "sherlock/tattoo/widget_base.h"
#include "sherlock/tattoo/tattoo.h"
#include "sherlock/tattoo/tattoo_talk.h"
#include "sherlock/tattoo/tattoo_user_interface.h"
namespace Sherlock {
namespace Tattoo {
WidgetBase::WidgetBase(SherlockEngine *vm) : _vm(vm) {
}
void WidgetBase::summonWindow() {
TattooUserInterface &ui = *(TattooUserInterface *)_vm->_ui;
ui._widget = this;
_outsideMenu = false;
draw();
}
void WidgetBase::banishWindow() {
TattooUserInterface &ui = *(TattooUserInterface *)_vm->_ui;
erase();
_surface.free();
ui._widget = nullptr;
}
void WidgetBase::erase() {
Screen &screen = *_vm->_screen;
const Common::Point ¤tScroll = getCurrentScroll();
if (_oldBounds.width() > 0) {
// Get the bounds to copy from the back buffers, adjusted for scroll position
Common::Rect oldBounds = _oldBounds;
oldBounds.translate(currentScroll.x, currentScroll.y);
// Restore the affected area from the secondary back buffer into the first one, and then copy to screen
screen._backBuffer1.blitFrom(screen._backBuffer2, Common::Point(oldBounds.left, oldBounds.top), oldBounds);
screen.blitFrom(screen._backBuffer1, Common::Point(_oldBounds.left, _oldBounds.top), oldBounds);
// Reset the old bounds so it won't be erased again
_oldBounds = Common::Rect(0, 0, 0, 0);
}
}
void WidgetBase::draw() {
Screen &screen = *_vm->_screen;
const Common::Point ¤tScroll = getCurrentScroll();
// If there was a previously drawn frame in a different position that hasn't yet been erased, then erase it
if (_oldBounds.width() > 0 && _oldBounds != _bounds)
erase();
if (_bounds.width() > 0 && !_surface.empty()) {
// Get the area to draw, adjusted for scroll position
restrictToScreen();
Common::Rect bounds = _bounds;
bounds.translate(currentScroll.x, currentScroll.y);
// Draw the background for the widget
drawBackground();
// Draw the widget onto the back buffer and then slam it to the screen
screen._backBuffer1.transBlitFrom(_surface, Common::Point(bounds.left, bounds.top));
screen.blitFrom(screen._backBuffer1, Common::Point(_bounds.left, _bounds.top), bounds);
// Store a copy of the drawn area for later erasing
_oldBounds = _bounds;
}
}
void WidgetBase::drawBackground() {
TattooEngine &vm = *(TattooEngine *)_vm;
Screen &screen = *_vm->_screen;
TattooUserInterface &ui = *(TattooUserInterface *)_vm->_ui;
Common::Rect bounds = _bounds;
const Common::Point ¤tScroll = getCurrentScroll();
bounds.translate(currentScroll.x, currentScroll.y);
if (vm._transparentMenus) {
ui.makeBGArea(bounds);
} else {
bounds.grow(-3);
screen._backBuffer1.fillRect(bounds, MENU_BACKGROUND);
}
}
Common::String WidgetBase::splitLines(const Common::String &str, Common::StringArray &lines, int maxWidth, uint maxLines) {
Talk &talk = *_vm->_talk;
const char *strP = str.c_str();
// Loop counting up lines
lines.clear();
do {
int width = 0;
const char *spaceP = nullptr;
const char *lineStartP = strP;
// Find how many characters will fit on the next line
while (width < maxWidth && *strP && ((byte)*strP < talk._opcodes[OP_SWITCH_SPEAKER] ||
(byte)*strP == talk._opcodes[OP_NULL])) {
width += _surface.charWidth(*strP);
// Keep track of the last space
if (*strP == ' ')
spaceP = strP;
++strP;
}
// If the line was too wide to fit on a single line, go back to the last space
// if there was one, or otherwise simply break the line at this point
if (width >= maxWidth && spaceP != nullptr)
strP = spaceP;
// Add the line to the output array
lines.push_back(Common::String(lineStartP, strP));
// Move the string ahead to the next line
if (*strP == ' ' || *strP == 13)
++strP;
} while (*strP && (lines.size() < maxLines) && ((byte)*strP < talk._opcodes[OP_SWITCH_SPEAKER]
|| (byte)*strP == talk._opcodes[OP_NULL]));
// Return any remaining text left over
return *strP ? Common::String(strP) : Common::String();
}
void WidgetBase::restrictToScreen() {
if (_bounds.left < 0)
_bounds.moveTo(0, _bounds.top);
if (_bounds.top < 0)
_bounds.moveTo(_bounds.left, 0);
if (_bounds.right > SHERLOCK_SCREEN_WIDTH)
_bounds.moveTo(SHERLOCK_SCREEN_WIDTH - _bounds.width(), _bounds.top);
if (_bounds.bottom > SHERLOCK_SCREEN_HEIGHT)
_bounds.moveTo(_bounds.left, SHERLOCK_SCREEN_HEIGHT - _bounds.height());
}
void WidgetBase::makeInfoArea(Surface &s) {
TattooUserInterface &ui = *(TattooUserInterface *)_vm->_ui;
ImageFile &images = *ui._interfaceImages;
// Draw the four corners of the Info Box
s.transBlitFrom(images[0], Common::Point(0, 0));
s.transBlitFrom(images[1], Common::Point(s.w() - images[1]._width, 0));
s.transBlitFrom(images[2], Common::Point(0, s.h() - images[2]._height));
s.transBlitFrom(images[3], Common::Point(s.w() - images[3]._width, s.h()));
// Draw the top of the Info Box
s.hLine(images[0]._width, 0, s.w() - images[1]._width, INFO_TOP);
s.hLine(images[0]._width, 1, s.w() - images[1]._width, INFO_MIDDLE);
s.hLine(images[0]._width, 2, s.w() - images[1]._width, INFO_BOTTOM);
// Draw the bottom of the Info Box
s.hLine(images[0]._width, s.h()- 3, s.w() - images[1]._width, INFO_TOP);
s.hLine(images[0]._width, s.h()- 2, s.w() - images[1]._width, INFO_MIDDLE);
s.hLine(images[0]._width, s.h()- 1, s.w() - images[1]._width, INFO_BOTTOM);
// Draw the left Side of the Info Box
s.vLine(0, images[0]._height, s.h()- images[2]._height, INFO_TOP);
s.vLine(1, images[0]._height, s.h()- images[2]._height, INFO_MIDDLE);
s.vLine(2, images[0]._height, s.h()- images[2]._height, INFO_BOTTOM);
// Draw the right Side of the Info Box
s.vLine(s.w() - 3, images[0]._height, s.h()- images[2]._height, INFO_TOP);
s.vLine(s.w() - 2, images[0]._height, s.h()- images[2]._height, INFO_MIDDLE);
s.vLine(s.w() - 1, images[0]._height, s.h()- images[2]._height, INFO_BOTTOM);
}
void WidgetBase::makeInfoArea() {
makeInfoArea(_surface);
}
const Common::Point &WidgetBase::getCurrentScroll() const {
TattooUserInterface &ui = *(TattooUserInterface *)_vm->_ui;
return ui._currentScroll;
}
void WidgetBase::checkTabbingKeys(int numOptions) {
}
} // End of namespace Tattoo
} // End of namespace Sherlock
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