/* ScummVM - Scumm Interpreter * Copyright (C) 2002-2003 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 "common/util.h" #include "newgui.h" #include "dialog.h" #ifdef __PALM_OS__ # include "palm.h" #endif #ifdef NEW_FONT_CODE #include "gui/font.h" #endif namespace GUI { /* * 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 = 250, kKeyRepeatInitialDelay = 400, kKeyRepeatSustainDelay = 100 }; #ifdef NEW_FONT_CODE /* * TODO: * - replace kLineHeight by global variable or query method * - .... */ #else #ifdef __PALM_OS__ static byte *guifont; #else // 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, 7,8,7,7,7,7,7,7,7,7,7,8,7,7,7,5,8,5,8,8,7,7,7,6,7,7,7,7,7,5,6,7,5,8,7,7,7,7,7,7,7,7,7,8,7,7,7,5,3,5,7,8,7,7,7,7,7,7,0,6,7,7,7,5,5,5,7,0,6,8,8,7,7,7,7,7,0,7,7,0,0, 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, 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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, 24,48,48,96,48,48,24,0,96,96,96,0,96,96,96,0,96,48,48,24,48,48,96,0,0,0,97,153,134,0,0,0,8,12,14,255,255,14,12,8,60,102,96,96,102,60,24,56,102,0,102,102,102,102,62,0,12,24,60,102,126,96,60,0,24,36,60,6,62,102,62,0,102,0,60,6,62,102,62,0,48, 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, 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0,0,0,0,0,0,28,54,54,124,102,102,124,64,0,0,0 }; #endif #endif // NEW_FONT_CODE // Constructor NewGui::NewGui() : _screen(0), _needRedraw(false), _stateIsSaved(false), _cursorAnimateCounter(0), _cursorAnimateTimer(0) { _system = OSystem::instance(); // Clear the cursor memset(_cursor, 0xFF, sizeof(_cursor)); // Reset key repeat _currentKeyDown.keycode = 0; } void NewGui::updateColors() { // Setup some default GUI colors. _bgcolor = _system->RGBToColor(0, 0, 0); _color = _system->RGBToColor(104, 104, 104); _shadowcolor = _system->RGBToColor(64, 64, 64); _textcolor = _system->RGBToColor(32, 160, 32); _textcolorhi = _system->RGBToColor(0, 255, 0); } void NewGui::runLoop() { Dialog *activeDialog = _dialogStack.top(); bool didSaveState = false; if (activeDialog == 0) return; // Setup some default GUI colors. Normally this will be done whenever an // EVENT_SCREEN_CHANGED is received. However, not yet all backends support // that event, so we also do it "manually" whenever a run loop is entered. updateColors(); if (!_stateIsSaved) { saveState(); didSaveState = true; } while (!_dialogStack.empty() && activeDialog == _dialogStack.top()) { #ifdef __PALM_OS__ // There is no exit(.) function under PalmOS, to exit an app // we need to send an 'exit' event to the event handler // and then the system return to the launcher. But this event // is not handled by the following loop and so we need to force exit. // In other systems like Windows ScummVM exit immediatly and so this doesn't appear. if (((OSystem_PALMOS *)_system)->_quit) return; #endif 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: #if !defined(_WIN32_WCE) && !defined(__PALM_OS__) // init continuous event stream // not done on WinCE because keyboard is emulated and // keyup is not generated _currentKeyDown.ascii = event.kbd.ascii; _currentKeyDown.keycode = event.kbd.keycode; _currentKeyDown.flags = event.kbd.flags; _keyRepeatTime = time + kKeyRepeatInitialDelay; #endif activeDialog->handleKeyDown(event.kbd.ascii, event.kbd.keycode, event.kbd.flags); break; case OSystem::EVENT_KEYUP: activeDialog->handleKeyUp(event.kbd.ascii, event.kbd.keycode, event.kbd.flags); if (event.kbd.keycode == _currentKeyDown.keycode) // only stop firing events if it's the current key _currentKeyDown.keycode = 0; break; case OSystem::EVENT_MOUSEMOVE: activeDialog->handleMouseMoved(event.mouse.x - activeDialog->_x, event.mouse.y - activeDialog->_y, 0); break; // We don't 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; case OSystem::EVENT_QUIT: _system->quit(); return; case OSystem::EVENT_SCREEN_CHANGED: updateColors(); break; } } // check if event should be sent again (keydown) if (_currentKeyDown.keycode != 0) { if (_keyRepeatTime < time) { // fire event activeDialog->handleKeyDown(_currentKeyDown.ascii, _currentKeyDown.keycode, _currentKeyDown.flags); _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); // Enable the overlay _system->show_overlay(); // Create a screen buffer for the overlay data, and fill it with // whatever is visible on the screen rught now. int sys_height = _system->get_overlay_height(); int sys_width = _system->get_overlay_width(); _screen = (NewGuiColor*)calloc(sys_width * sys_height, sizeof(NewGuiColor)); _screenPitch = sys_width; _system->grab_overlay(_screen, _screenPitch); _currentKeyDown.keycode = 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) { free(_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 - NewGuiColor *NewGui::getBasePtr(int x, int y) { return _screen + x + y * _screenPitch; } void NewGui::box(int x, int y, int width, int height, NewGuiColor colorA, NewGuiColor colorB) { 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, NewGuiColor color) { NewGuiColor *ptr; if (x2 < x) SWAP(x2, x); if (y2 < y) SWAP(y2, y); ptr = getBasePtr(x, y); 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, NewGuiColor color, int level) { #ifdef NEWGUI_256 fillRect(x, y, w, h, color); #else int r, g, b; uint8 ar, ag, ab; _system->colorToRGB(color, ar, ag, ab); r = ar * level; g = ag * level; b = ab * level; NewGuiColor *ptr = getBasePtr(x, y); while (h--) { for (int i = 0; i < w; i++) { _system->colorToRGB(ptr[i], ar, ag, ab); ptr[i] = _system->RGBToColor((ar + r) / (level+1), (ag + g) / (level+1), (ab + b) / (level+1)); } ptr += _screenPitch; } #endif } void NewGui::fillRect(int x, int y, int w, int h, NewGuiColor color) { int i; NewGuiColor *ptr = getBasePtr(x, y); while (h--) { for (i = 0; i < w; i++) { ptr[i] = color; } ptr += _screenPitch; } } void NewGui::checkerRect(int x, int y, int w, int h, NewGuiColor color) { int i; NewGuiColor *ptr = getBasePtr(x, y); 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, NewGuiColor color) { int i; NewGuiColor *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. NewGuiColor *buf = getBasePtr(x, y); _system->copy_rect_overlay(buf, _screenPitch, x, y, w, h); } void NewGui::drawChar(byte chr, int xx, int yy, NewGuiColor color) { NewGuiColor *ptr = getBasePtr(xx, yy); uint x, y; #ifdef NEW_FONT_CODE assert(g_sysfont.bits != 0 && g_sysfont.maxwidth <= 16); // If this character is not included in the font, use the default char. if (chr < g_sysfont.firstchar || chr >= g_sysfont.firstchar + g_sysfont.size) { if (chr == ' ') return; chr = g_sysfont.defaultchar; } const uint w = getCharWidth(chr); const uint h = g_sysfont.height; chr -= g_sysfont.firstchar; const bitmap_t *tmp = g_sysfont.bits + (g_sysfont.offset ? g_sysfont.offset[chr] : (chr * h)); //printf("Char '%c', width %d\n", chr, w); for (y = 0; y < h; y++) { const bitmap_t buffer = *tmp++; bitmap_t mask = 0x8000; for (x = 0; x < w; x++) { if ((buffer & mask) != 0) ptr[x] = color; mask >>= 1; } ptr += _screenPitch; } #else const uint w = 8; const uint h = 8; const byte *tmp = guifont + 224 + (chr + 1) * 8; uint buffer = 0; uint mask = 0; for (y = 0; y < h; y++) { for (x = 0; x < w; x++) { unsigned char c; mask >>= 1; if (mask == 0) { buffer = *tmp++; mask = 0x80; } c = ((buffer & mask) != 0); if (c) ptr[x] = color; } ptr += _screenPitch; } #endif } 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) { #ifdef NEW_FONT_CODE // If no width table is specified, return the maximum width if (!g_sysfont.width) return g_sysfont.maxwidth; // If this character is not included in the font, use the default char. if (c < g_sysfont.firstchar || g_sysfont.firstchar + g_sysfont.size < c) { if (c == ' ') return g_sysfont.maxwidth / 2; c = g_sysfont.defaultchar; } return g_sysfont.width[c - g_sysfont.firstchar]; #else return guifont[c+6]; #endif } void NewGui::drawString(const String &s, int x, int y, int w, NewGuiColor color, int align, int deltax, bool useEllipsis) { const int leftX = x, rightX = x + w; int i; int width = getStringWidth(s); String str; if (useEllipsis && width > w) { // String is too wide. So we shorten it "intellegently", by replacing // parts of it by an ellipsis ("..."). There are three possibilities // for this: replace the start, the end, or the middle of the string. // What is best really depends on the context; but unless we want to // make this configurable, replacing the middle probably is a good // compromise. const int ellipsisWidth = getStringWidth("..."); // SLOW algorithm to remove enough of the middle. But it is good enough // for now. const int halfWidth = (w - ellipsisWidth) / 2; int w2 = 0; for (i = 0; i < s.size(); ++i) { int charWidth = getCharWidth(s[i]); if (w2 + charWidth > halfWidth) break; w2 += charWidth; str += s[i]; } // At this point we know that the first 'i' chars are together 'w2' // pixels wide. We took the first i-1, and add "..." to them. str += "..."; // The original string is width wide. Of those we already skipped past // w2 pixels, which means (width - w2) remain. // The new str is (w2+ellipsisWidth) wide, so we can accomodate about // (w - (w2+ellipsisWidth)) more pixels. // Thus we skip ((width - w2) - (w - (w2+ellipsisWidth))) = // (width + ellipsisWidth - w) int skip = width + ellipsisWidth - w; for (; i < s.size() && skip > 0; ++i) { skip -= getCharWidth(s[i]); } // Append the remaining chars, if any for (; i < s.size(); ++i) { str += s[i]; } width = getStringWidth(str); } else { str = s; } if (align == kTextAlignCenter) x = x + (w - width - 1)/2; else if (align == kTextAlignRight) x = x + w - width; x += deltax; for (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; } } // // Blit from a buffer to the display // void NewGui::blitFromBuffer(int x, int y, int w, int h, const byte *buf, int pitch) { NewGuiColor *ptr = getBasePtr(x, y); assert(buf); while (h--) { memcpy(ptr, buf, w*2); ptr += _screenPitch; buf += pitch; } } // // Blit from the display to a buffer // void NewGui::blitToBuffer(int x, int y, int w, int h, byte *buf, int pitch) { NewGuiColor *ptr = getBasePtr(x, y); assert(buf); while (h--) { memcpy(buf, ptr, w * 2); ptr += _screenPitch; buf += pitch; } } // // Draw an 8x8 bitmap at location (x,y) // void NewGui::drawBitmap(uint32 *bitmap, int x, int y, NewGuiColor color, int h) { NewGuiColor *ptr = getBasePtr(x, y); for (y = 0; y < h; y++) { uint32 mask = 0xF0000000; for (x = 0; x < 8; x++) { if (bitmap[y] & mask) ptr[x] = 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; } } } // End of namespace GUI #ifdef __PALM_OS__ #include "scumm_globals.h" _GINIT(NewGui) _GSETPTR(GUI::guifont, GBVARS_GUIFONT_INDEX, byte, GBVARS_SCUMM) _GEND _GRELEASE(NewGui) _GRELEASEPTR(GBVARS_GUIFONT_INDEX, GBVARS_SCUMM) _GEND #endif