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scummvm/gui/newgui.cpp

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/* ScummVM - Scumm Interpreter
* Copyright (C) 2002 The ScummVM project
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*/
#include "stdafx.h"
#include "util.h"
#include "newgui.h"
#include "dialog.h"
#ifdef _MSC_VER
# pragma warning( disable : 4068 ) // unknown pragma
#endif
/*
* TODO list
* - get a nicer font which contains diacrits (ŠšŸ§Žˆ etc.)
* - add more widgets: edit field, popup, radio buttons, ...
*
* Other ideas:
* - allow multi line (l/c/r aligned) text via StaticTextWidget ?
* - add "close" widget to all dialogs (with a flag to turn it off) ?
* - make dialogs "moveable" ?
* - come up with a new look & feel / theme for the GUI
* - ...
*/
enum {
kDoubleClickDelay = 500, // milliseconds
kCursorAnimateDelay = 500,
kKeyRepeatInitialDelay = 400,
kKeyRepeatSustainDelay = 100,
};
// Built-in font
static byte guifont[] = {
0,0,99,1,226,8,4,8,6,8,6,0,0,0,0,0,0,0,0,0,0,0,8,2,1,8,0,0,0,0,0,0,0,0,0,0,0,0,4,3,7,8,7,7,8,4,5,5,8,7,4,7,3,8,7,7,7,7,8,7,7,7,7,7,3,4,7,5,7,7,8,7,7,7,7,7,7,7,7,5,7,7,
7,8,7,7,7,7,7,7,7,7,7,8,7,7,7,5,8,5,8,8,7,7,7,6,7,7,7,7,7,5,6,7,5,8,7,7,7,7,7,7,7,7,7,8,7,7,7,5,3,5,0,8,7,7,7,7,7,7,0,6,7,7,7,5,5,5,7,0,6,8,8,7,7,7,7,7,0,7,7,0,0,
0,0,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7,0,0,0,0,0,0,0,0,1,3,6,12,
24,62,3,0,128,192,96,48,24,124,192,0,0,3,62,24,12,6,3,1,0,192,124,24,48,96,192,128,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,237,74,72,0,0,0,0,0,128,128,128,0,0,0,0,0,0,0,0,0,0,0,0,0,60,66,153,161,161,153,66,60,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,96,96,96,96,0,0,96,0,102,102,102,0,0,0,0,0,102,102,255,102,255,102,102,0,24,62,96,60,6,124,24,0,98,102,12,24,48,102,70,0,60,102,60,56,103,102,63,0,96,48,16,0,0,0,0,0,24,48,96,96,96,48,24,0,96,48,24,24,24,48,96,0,
0,102,60,255,60,102,0,0,0,24,24,126,24,24,0,0,0,0,0,0,0,48,48,96,0,0,0,126,0,0,0,0,0,0,0,0,0,96,96,0,0,3,6,12,24,48,96,0,60,102,102,102,102,102,60,0,24,24,56,24,24,24,126,0,60,102,6,12,48,96,126,0,60,102,6,28,6,102,60,0,6,
14,30,102,127,6,6,0,126,96,124,6,6,102,60,0,60,102,96,124,102,102,60,0,126,102,12,24,24,24,24,0,60,102,102,60,102,102,60,0,60,102,102,62,6,102,60,0,0,0,96,0,0,96,0,0,0,0,48,0,0,48,48,96,14,24,48,96,48,24,14,0,0,0,120,0,120,0,0,0,112,24,
12,6,12,24,112,0,60,102,6,12,24,0,24,0,0,0,0,255,255,0,0,0,24,60,102,126,102,102,102,0,124,102,102,124,102,102,124,0,60,102,96,96,96,102,60,0,120,108,102,102,102,108,120,0,126,96,96,120,96,96,126,0,126,96,96,120,96,96,96,0,60,102,96,110,102,102,60,0,102,102,102,
126,102,102,102,0,120,48,48,48,48,48,120,0,30,12,12,12,12,108,56,0,102,108,120,112,120,108,102,0,96,96,96,96,96,96,126,0,99,119,127,107,99,99,99,0,102,118,126,126,110,102,102,0,60,102,102,102,102,102,60,0,124,102,102,124,96,96,96,0,60,102,102,102,102,60,14,0,124,102,102,124,
120,108,102,0,60,102,96,60,6,102,60,0,126,24,24,24,24,24,24,0,102,102,102,102,102,102,60,0,102,102,102,102,102,60,24,0,99,99,99,107,127,119,99,0,102,102,60,24,60,102,102,0,102,102,102,60,24,24,24,0,126,6,12,24,48,96,126,0,120,96,96,96,96,96,120,0,3,6,12,24,48,
96,192,0,120,24,24,24,24,24,120,0,0,0,0,0,0,219,219,0,0,0,0,0,0,0,0,255,102,102,102,0,0,0,0,0,0,0,60,6,62,102,62,0,0,96,96,124,102,102,124,0,0,0,60,96,96,96,60,0,0,6,6,62,102,102,62,0,0,0,60,102,126,96,60,0,0,14,24,62,24,24,
24,0,0,0,62,102,102,62,6,124,0,96,96,124,102,102,102,0,0,48,0,112,48,48,120,0,0,12,0,12,12,12,12,120,0,96,96,108,120,108,102,0,0,112,48,48,48,48,120,0,0,0,102,127,127,107,99,0,0,0,124,102,102,102,102,0,0,0,60,102,102,102,60,0,0,0,124,102,102,124,96,
96,0,0,62,102,102,62,6,6,0,0,124,102,96,96,96,0,0,0,62,96,60,6,124,0,0,24,126,24,24,24,14,0,0,0,102,102,102,102,62,0,0,0,102,102,102,60,24,0,0,0,99,107,127,62,54,0,0,0,102,60,24,60,102,0,0,0,102,102,102,62,12,120,0,0,126,12,24,48,126,0,
24,48,48,96,48,48,24,0,96,96,96,0,96,96,96,0,96,48,48,24,48,48,96,0,0,0,0,0,0,0,0,0,8,12,14,255,255,14,12,8,60,102,96,96,102,60,24,56,102,0,102,102,102,102,62,0,12,24,60,102,126,96,60,0,24,36,60,6,62,102,62,0,102,0,60,6,62,102,62,0,48,
24,60,6,62,102,62,0,0,0,0,0,0,0,0,0,0,60,96,96,96,60,24,56,24,36,60,102,126,96,60,0,102,0,60,102,126,96,60,0,48,24,60,102,126,96,60,0,0,216,0,112,48,48,120,0,48,72,0,112,48,48,120,0,96,48,0,112,48,48,120,0,102,24,60,102,126,102,102,0,0,0,
0,0,0,0,0,0,24,48,124,96,120,96,124,0,0,0,108,26,126,216,110,0,30,40,40,126,72,136,142,0,24,36,60,102,102,102,60,0,102,0,60,102,102,102,60,0,48,24,60,102,102,102,60,0,24,36,0,102,102,102,62,0,48,24,102,102,102,102,62,0,0,0,0,0,0,0,0,0,102,60,102,
102,102,102,60,0,102,0,102,102,102,102,60,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,12,24,60,6,62,102,62,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,28,54,54,124,102,102,124,64,0,0,0
};
// Constructor
NewGui::NewGui(OSystem *system) : _system(system), _screen(0), _needRedraw(false),
_stateIsSaved(false), _currentKeyDown(0), _cursorAnimateCounter(0), _cursorAnimateTimer(0)
{
// Setup some default GUI colors.
// TODO - either use nicer values, or maybe make this configurable?
_bgcolor = RGB_TO_16(0, 0, 0);
_color = RGB_TO_16(96, 96, 96);
_shadowcolor = RGB_TO_16(64, 64, 64);
_textcolor = RGB_TO_16(32, 160, 32);
_textcolorhi = RGB_TO_16(0, 255, 0);
// Clear the cursor
memset(_cursor, 0xFF, sizeof(_cursor));
}
void NewGui::runLoop()
{
Dialog *activeDialog = _dialogStack.top();
bool didSaveState = false;
if (activeDialog == 0)
return;
if (!_stateIsSaved) {
saveState();
didSaveState = true;
}
while (activeDialog == _dialogStack.top()) {
activeDialog->handleTickle();
if (_needRedraw) {
// Restore the overlay to its initial state, then draw all dialogs.
// This is necessary to get the blending right.
_system->clear_overlay();
_system->grab_overlay(_screen, _screenPitch);
for (int i = 0; i < _dialogStack.size(); i++)
_dialogStack[i]->drawDialog();
_needRedraw = false;
}
animateCursor();
_system->update_screen();
OSystem::Event event;
uint32 time = _system->get_msecs();
while (_system->poll_event(&event)) {
switch(event.event_code) {
case OSystem::EVENT_KEYDOWN:
activeDialog->handleKeyDown((byte)event.kbd.ascii, event.kbd.flags);
#ifndef _WIN32_WCE
// init continuous event stream
// not done on WinCE because keyboard is emulated and
// keyup is not generated
_currentKeyDown = event.kbd.ascii;
_currentKeyDownFlags = event.kbd.flags;
_keyRepeatTime = time + kKeyRepeatInitialDelay;
#endif
break;
case OSystem::EVENT_KEYUP:
activeDialog->handleKeyUp((byte)event.kbd.ascii, event.kbd.flags);
if (event.kbd.ascii == _currentKeyDown)
// only stop firing events if it's the current key
_currentKeyDown = 0;
break;
case OSystem::EVENT_MOUSEMOVE:
_system->set_mouse_pos(event.mouse.x, event.mouse.y);
activeDialog->handleMouseMoved(event.mouse.x - activeDialog->_x, event.mouse.y - activeDialog->_y, 0);
break;
// We don'event distinguish between mousebuttons (for now at least)
case OSystem::EVENT_LBUTTONDOWN:
case OSystem::EVENT_RBUTTONDOWN: {
if (_lastClick.count && (time < _lastClick.time + kDoubleClickDelay)
&& ABS(_lastClick.x - event.mouse.x) < 3
&& ABS(_lastClick.y - event.mouse.y) < 3) {
_lastClick.count++;
} else {
_lastClick.x = event.mouse.x;
_lastClick.y = event.mouse.y;
_lastClick.count = 1;
}
_lastClick.time = time;
}
activeDialog->handleMouseDown(event.mouse.x - activeDialog->_x, event.mouse.y - activeDialog->_y, 1, _lastClick.count);
break;
case OSystem::EVENT_LBUTTONUP:
case OSystem::EVENT_RBUTTONUP:
activeDialog->handleMouseUp(event.mouse.x - activeDialog->_x, event.mouse.y - activeDialog->_y, 1, _lastClick.count);
break;
case OSystem::EVENT_WHEELUP:
activeDialog->handleMouseWheel(event.mouse.x - activeDialog->_x, event.mouse.y - activeDialog->_y, -1);
break;
case OSystem::EVENT_WHEELDOWN:
activeDialog->handleMouseWheel(event.mouse.x - activeDialog->_x, event.mouse.y - activeDialog->_y, 1);
break;
}
}
// check if event should be sent again (keydown)
if (_currentKeyDown != 0)
{
if (_keyRepeatTime < time)
{
// fire event
activeDialog->handleKeyDown(_currentKeyDown, _currentKeyDownFlags);
_keyRepeatTime = time + kKeyRepeatSustainDelay;
}
}
// Delay for a moment
_system->delay_msecs(10);
}
if (didSaveState)
restoreState();
}
#pragma mark -
void NewGui::saveState()
{
// Backup old cursor
_oldCursorMode = _system->show_mouse(true);
_system->show_overlay();
// TODO - add getHeight & getWidth methods to OSystem.
_screen = new int16[320 * 240];
_screenPitch = 320;
// _screen = new int16[_system->get_width() * _system->get_height()];
// _screenPitch = _system->get_width();
_system->grab_overlay(_screen, _screenPitch);
_currentKeyDown = 0;
_lastClick.x = _lastClick.y = 0;
_lastClick.time = 0;
_lastClick.count = 0;
_stateIsSaved = true;
}
void NewGui::restoreState()
{
_system->show_mouse(_oldCursorMode);
_system->hide_overlay();
if (_screen) {
delete [] _screen;
_screen = 0;
}
_system->update_screen();
_stateIsSaved = false;
}
void NewGui::openDialog(Dialog *dialog)
{
_dialogStack.push(dialog);
_needRedraw = true;
}
void NewGui::closeTopDialog()
{
// Don't do anything if no dialog is open
if (_dialogStack.empty())
return;
// Remove the dialog from the stack
_dialogStack.pop();
_needRedraw = true;
}
#pragma mark -
int16 *NewGui::getBasePtr(int x, int y)
{
return _screen + x + y * _screenPitch;
}
void NewGui::box(int x, int y, int width, int height, bool inverted)
{
int16 colorA = inverted ? _shadowcolor : _color;
int16 colorB = inverted ? _color : _shadowcolor;
hline(x + 1, y, x + width - 2, colorA);
hline(x, y + 1, x + width - 1, colorA);
vline(x, y + 1, y + height - 2, colorA);
vline(x + 1, y, y + height - 1, colorA);
hline(x + 1, y + height - 2, x + width - 1, colorB);
hline(x + 1, y + height - 1, x + width - 2, colorB);
vline(x + width - 1, y + 1, y + height - 2, colorB);
vline(x + width - 2, y + 1, y + height - 1, colorB);
}
void NewGui::line(int x, int y, int x2, int y2, int16 color)
{
int16 *ptr;
if (x2 < x)
SWAP(x2, x);
if (y2 < y)
SWAP(y2, y);
ptr = getBasePtr(x, y);
if (ptr == NULL)
return;
if (x == x2) {
/* vertical line */
while (y++ <= y2) {
*ptr = color;
ptr += _screenPitch;
}
} else if (y == y2) {
/* horizontal line */
while (x++ <= x2) {
*ptr++ = color;
}
}
}
void NewGui::blendRect(int x, int y, int w, int h, int16 color)
{
int r = RED_FROM_16(color) * 3;
int g = GREEN_FROM_16(color) * 3;
int b = BLUE_FROM_16(color) * 3;
int16 *ptr = getBasePtr(x, y);
if (ptr == NULL)
return;
while (h--) {
for (int i = 0; i < w; i++) {
ptr[i] = RGB_TO_16((RED_FROM_16(ptr[i])+r)/4,
(GREEN_FROM_16(ptr[i])+g)/4,
(BLUE_FROM_16(ptr[i])+b)/4);
}
ptr += _screenPitch;
}
}
void NewGui::fillRect(int x, int y, int w, int h, int16 color)
{
int i;
int16 *ptr = getBasePtr(x, y);
if (ptr == NULL)
return;
while (h--) {
for (i = 0; i < w; i++) {
ptr[i] = color;
}
ptr += _screenPitch;
}
}
void NewGui::checkerRect(int x, int y, int w, int h, int16 color)
{
int i;
int16 *ptr = getBasePtr(x, y);
if (ptr == NULL)
return;
while (h--) {
for (i = 0; i < w; i++) {
if ((h ^ i) & 1)
ptr[i] = color;
}
ptr += _screenPitch;
}
}
void NewGui::frameRect(int x, int y, int w, int h, int16 color)
{
int i;
int16 *ptr, *basePtr = getBasePtr(x, y);
if (basePtr == NULL)
return;
ptr = basePtr;
for (i = 0; i < w; i++, ptr++)
*ptr = color;
ptr--;
for (i = 0; i < h; i++, ptr += _screenPitch)
*ptr = color;
ptr = basePtr;
for (i = 0; i < h; i++, ptr += _screenPitch)
*ptr = color;
ptr -= _screenPitch;
for (i = 0; i < w; i++, ptr++)
*ptr = color;
}
void NewGui::addDirtyRect(int x, int y, int w, int h)
{
// For now we don't keep yet another list of dirty rects but simply
// blit the affected area directly to the overlay. At least for our current
// GUI/widget/dialog code that is just fine.
int16 *buf = getBasePtr(x, y);
_system->copy_rect_overlay(buf, _screenPitch, x, y, w, h);
}
void NewGui::drawChar(const byte chr, int xx, int yy, int16 color)
{
unsigned int buffer = 0, mask = 0, x, y;
byte *tmp;
tmp = guifont + 224 + (chr + 1) * 8;
int16 *ptr = getBasePtr(xx, yy);
if (ptr == NULL)
return;
for (y = 0; y < 8; y++) {
for (x = 0; x < 8; x++) {
unsigned char c;
if ((mask >>= 1) == 0) {
buffer = *tmp++;
mask = 0x80;
}
c = ((buffer & mask) != 0);
if (c)
ptr[x] = color;
}
ptr += _screenPitch;
}
}
int NewGui::getStringWidth(const String &str)
{
int space = 0;
for (int i = 0; i < str.size(); ++i)
space += getCharWidth(str[i]);
return space;
}
int NewGui::getCharWidth(byte c)
{
return guifont[c+6];
}
void NewGui::drawString(const String &str, int x, int y, int w, int16 color, int align)
{
const int leftX = x, rightX = x + w;
int width = getStringWidth(str);
if (align == kTextAlignCenter)
x = x + (w - width - 1)/2;
else if (align == kTextAlignRight)
x = x + w - width;
for (int i = 0; i < str.size(); ++i) {
w = getCharWidth(str[i]);
if (x+w > rightX)
break;
if (x >= leftX)
drawChar(str[i], x, y, color);
x += w;
}
}
//
// Draw an 8x8 bitmap at location (x,y)
//
void NewGui::drawBitmap(uint32 bitmap[8], int x, int y, int16 color)
{
int16 *ptr = getBasePtr(x, y);
if (ptr == NULL)
return;
for (int y2 = 0; y2 < 8; y2++) {
uint32 mask = 0xF0000000;
for (int x2 = 0; x2 < 8; x2++) {
if (bitmap[y2] & mask)
ptr[x2] = color;
mask >>= 4;
}
ptr += _screenPitch;
}
}
//
// Draw the mouse cursor (animated). This is mostly ripped from the cursor code in gfx.cpp
// We could plug in a different cursor here if we like to.
//
void NewGui::animateCursor()
{
int time = _system->get_msecs();
if (time > _cursorAnimateTimer + kCursorAnimateDelay) {
const byte colors[4] = { 15, 15, 7, 8 };
const byte color = colors[_cursorAnimateCounter];
int i;
for (i = 0; i < 15; i++) {
if ((i < 6) || (i > 8)) {
_cursor[16 * 7 + i] = color;
_cursor[16 * i + 7] = color;
}
}
_system->set_mouse_cursor(_cursor, 16, 16, 7, 7);
_cursorAnimateTimer = time;
_cursorAnimateCounter = (_cursorAnimateCounter + 1) % 4;
}
}
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