From: Ricardo Cruz Date: Fri, 24 Sep 2004 15:08:04 +0000 (+0000) Subject: Completely re-written from scratch of buttons code. X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=2bfa983f46eec124e2f5a18adb01c24e6dc0ec95;p=supertux.git Completely re-written from scratch of buttons code. SVN-Revision: 1963 --- diff --git a/lib/gui/button.cpp b/lib/gui/button.cpp index 170e003a4..087cc4698 100644 --- a/lib/gui/button.cpp +++ b/lib/gui/button.cpp @@ -1,343 +1,253 @@ -// $Id$ -// -// SuperTux -// Copyright (C) 2004 Tobias Glaesser -// -// 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. - -#include -#include - -#include "../app/setup.h" -#include "../video/screen.h" -#include "../video/drawing_context.h" -#include "../app/globals.h" +/*************************************************************************** + button.cpp - graphical buttons + ------------------- + begin : June, 23 2004 + copyright : (C) 2004 by Ricardo Cruz + email : rick2@aeiou.pt + ***************************************************************************/ + +/*************************************************************************** + * * + * 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. * + * * + ***************************************************************************/ + +#include "SDL.h" +#include + #include "../gui/button.h" +#include "../gui/mousecursor.h" +#include "../app/globals.h" +#include "../video/font.h" using namespace SuperTux; -Timer Button::popup_timer; Font* Button::info_font = 0; -Button::Button(Surface* button_image, const std::string& ninfo, - SDLKey nshortcut, int x, int y, int mw, int mh) -{ - popup_timer.init(false); - - if(button_image) - icon.push_back(button_image); - - info = ninfo; +/* Buttons */ - shortcut = nshortcut; - - rect.x = x; - rect.y = y; - rect.w = icon[0]->w; - rect.h = icon[0]->h; - tag = -1; - state = BUTTON_NONE; - show_info = false; -} - -Button::Button(const std::string& imagefilename, const std::string& ninfo, - SDLKey nshortcut, int x, int y, int mw, int mh) +Button::Button(Surface* image_, std::string info_, SDLKey binding_) + : binding(binding_) { - popup_timer.init(false); - - add_icon(imagefilename, mw, mh); - - info = ninfo; - - shortcut = nshortcut; - - rect.x = x; - rect.y = y; - rect.w = icon[0]->w; - rect.h = icon[0]->h; - tag = -1; - state = BUTTON_NONE; - show_info = false; +image = image_; +size = Vector(image->w, image->h); +id = 0; +info = info_; } -void Button::add_icon(const std::string& icon_file, int mw, int mh) +Button::~Button() { - char filename[1024]; - - if(!icon_file.empty()) - { - snprintf(filename, 1024, "%s/%s", datadir.c_str(), icon_file.c_str()); - if(!FileSystem::faccessible(filename)) - snprintf(filename, 1024, "%s/images/icons/default-icon.png", datadir.c_str()); - } - else - { - snprintf(filename, 1024, "%s/images/icons/default-icon.png", datadir.c_str()); - } - - if(mw != -1 || mh != -1) - { - icon.push_back(new Surface(filename,true)); - icon.back()->resize(mw,mh); - } - else - icon.push_back(new Surface(filename,true)); - } -void Button::draw(DrawingContext& context) +void Button::draw(DrawingContext &context, bool selected) { - if(state == BUTTON_HOVER) - if(!popup_timer.check()) - show_info = true; - - fillrect(rect.x,rect.y,rect.w,rect.h,75,75,75,200); - fillrect(rect.x+1,rect.y+1,rect.w-2,rect.h-2,175,175,175,200); - - for(std::vector::iterator it = icon.begin(); it != icon.end(); ++it) - context.draw_surface(*it, Vector(rect.x,rect.y), LAYER_GUI); +if(selected) + context.draw_filled_rect(pos, size, Color (200,240,220), LAYER_GUI); +else + context.draw_filled_rect(pos, size, Color (200,200,220), LAYER_GUI); - /* if(drawable) - { - Camera viewport; - viewport.set_translation(Vector(rect.x, rect.y)); - drawable->draw(viewport, 0); - }*/ - - if(show_info) - { - char str[80]; - int i = -32; +Vector tanslation = -context.get_translation(); +if(state == BT_SHOW_INFO) + { + Vector offset; + if(pos.x + tanslation.x < 100 && pos.y + tanslation.y > screen->h - 20) + offset = Vector(size.x, - 10); + else if(pos.x + tanslation.x < 100) + offset = Vector(size.x, 0); + else + offset = Vector(-30, -size.y/2); + context.draw_text(info_font, info, pos + offset, LEFT_ALLIGN, LAYER_GUI+2); + if(binding != 0) + context.draw_text(info_font, "(" + std::string(SDL_GetKeyName(binding)) + + ")", pos + offset + Vector(0,12), + LEFT_ALLIGN, LAYER_GUI+2); + } - if(0 > rect.x - info_font->get_text_width(info)) - i = rect.w + (int)info_font->get_text_width(info); - - if(!info.empty()) - context.draw_text(info_font, info, Vector(i + rect.x - info_font->get_text_width(info), rect.y), LEFT_ALLIGN, LAYER_GUI); - sprintf(str,"(%s)", SDL_GetKeyName(shortcut)); - context.draw_text(info_font, str, Vector(i + rect.x - info_font->get_text_width(str), rect.y + info_font->get_height()+2), LEFT_ALLIGN, LAYER_GUI); - } - if(state == BUTTON_PRESSED || state == BUTTON_DEACTIVE) - fillrect(rect.x,rect.y,rect.w,rect.h,75,75,75,200); - else if(state == BUTTON_HOVER) - fillrect(rect.x,rect.y,rect.w,rect.h,150,150,150,128); +context.draw_surface_part(image, Vector(0,0), size, pos, LAYER_GUI+1); } -Button::~Button() +int Button::event(SDL_Event &event, int x_offset, int y_offset) { - for(std::vector::iterator it = icon.begin(); it != icon.end(); ++it) - delete (*it); - icon.clear(); - // FIXME TODO XXX: commenting this out fixes the leveleditor quit crash - // probably should be deleted somehow, though - //delete drawable; -} - -void Button::event(SDL_Event &event) -{ - if(state == BUTTON_DEACTIVE) - return; - - SDLKey key = event.key.keysym.sym; - - if(event.type == SDL_MOUSEBUTTONDOWN || event.type == SDL_MOUSEBUTTONUP) - { - if(event.button.x < rect.x || event.button.x >= rect.x + rect.w || - event.button.y < rect.y || event.button.y >= rect.y + rect.h) - return; - +state = BT_NONE; +switch(event.type) + { + case SDL_MOUSEBUTTONDOWN: + if(event.button.x > pos.x + x_offset && event.button.x < pos.x + x_offset + size.x && + event.button.y > pos.y + y_offset && event.button.y < pos.y + y_offset + size.y) + { if(event.button.button == SDL_BUTTON_RIGHT) - { - show_info = true; - return; - } - else if(event.type == SDL_MOUSEBUTTONUP && event.button.button == 4) /* Mouse wheel up. */ - { - state = BUTTON_WHEELUP; - return; - } - else if(event.type == SDL_MOUSEBUTTONUP && event.button.button == 5) /* Mouse wheel down. */ - { - state = BUTTON_WHEELDOWN; - return; - } - + state = BT_SHOW_INFO; + } + break; + case SDL_MOUSEBUTTONUP: + if(event.button.x > pos.x + x_offset && event.button.x < pos.x + x_offset + size.x && + event.button.y > pos.y + y_offset && event.button.y < pos.y + y_offset + size.y) + { if(event.button.button == SDL_BUTTON_LEFT) - if(event.type == SDL_MOUSEBUTTONDOWN) - state = BUTTON_PRESSED; - else - state = BUTTON_CLICKED; - } - else if(event.type == SDL_MOUSEMOTION) - { - if(event.motion.x < rect.x || event.motion.x >= rect.x + rect.w || - event.motion.y < rect.y || event.motion.y >= rect.y + rect.h) - { - state = BUTTON_NONE; - } - else - { - state = BUTTON_HOVER; - popup_timer.start(1500); - } - - if(show_info) - { - show_info = false; - } - } - else if(event.type == SDL_KEYDOWN) - { - if(key == shortcut) - state = BUTTON_PRESSED; - } - else if(event.type == SDL_KEYUP) + state = BT_SELECTED; + } + break; + case SDL_KEYDOWN: // key pressed + if(event.key.keysym.sym == binding) + state = BT_SELECTED; + break; + default: + break; + } +return state; +} + +/* Group of buttons */ + +ButtonGroup::ButtonGroup(Vector pos_, Vector buttons_size_, Vector buttons_box_) + : pos(pos_), buttons_size(buttons_size_), buttons_box(buttons_box_) +{ +buttons.clear(); +row = 0; +button_selected = -1; +mouse_hover = false; +mouse_left_button = false; +buttons_pair_nb = 0; +} + +ButtonGroup::~ButtonGroup() +{ +} + +void ButtonGroup::add_button(Button button, int id, bool select) +{ +button.pos.x = ((buttons.size()-buttons_pair_nb) % (int)buttons_box.x) * buttons_size.x; +button.pos.y = ((int)((buttons.size()-buttons_pair_nb) / buttons_box.x)) * buttons_size.y; +button.size = buttons_size; +button.id = id; +if(select) + button_selected = id; + +buttons.push_back(button); +} + +void ButtonGroup::add_pair_of_buttons(Button button1, int id1, Button button2, int id2) +{ +button1.pos.x = button2.pos.x = ((buttons.size()-buttons_pair_nb) % (int)buttons_box.x) * buttons_size.x; +button1.pos.y = button2.pos.y = ((int)((buttons.size()-buttons_pair_nb) / buttons_box.x)) * buttons_size.y; +button1.size.x = button2.size.x = buttons_size.x; +button1.size.y = button2.size.y = buttons_size.y / 2; +button2.pos.y += buttons_size.y / 2; +button1.id = id1; +button2.id = id2; + +buttons_pair_nb++; +buttons.push_back(button1); +buttons.push_back(button2); +} + +void ButtonGroup::draw(DrawingContext &context) +{ +context.draw_filled_rect(pos - Vector(12,4), + Vector(buttons_size.x*buttons_box.x + 16, buttons_size.y*buttons_box.y + 8), + Color (0,0,0, 128), LAYER_GUI-1); + +context.push_transform(); +context.set_translation(Vector(-pos.x, -pos.y + buttons_size.y*row)); +for(Buttons::iterator i = buttons.begin(); i != buttons.end(); ++i) + { + if(i->pos.y < row*buttons_size.y || + i->pos.y + i->size.y > (row + buttons_box.y) * buttons_size.y) + continue; + + i->draw(context, i->id == button_selected ? true : false); + } +context.pop_transform(); +} + +bool ButtonGroup::event(SDL_Event &event) +{ +bool caught_event = false; + +switch(event.type) + { + case SDL_MOUSEMOTION: + mouse_hover = false; + + if(mouse_left_button) + { + pos.x += event.motion.xrel; + pos.y += event.motion.yrel; + caught_event = true; + } + if(event.button.x > pos.x-12 && event.button.x < pos.x+16 + buttons_box.x*buttons_size.x && + event.button.y > pos.y-4 && event.button.y < pos.y+8 + buttons_box.y*buttons_size.y) + mouse_hover = true; + break; + case SDL_MOUSEBUTTONDOWN: + if(event.button.x < pos.x-12 || event.button.x > pos.x+16 + + buttons_box.x*buttons_size.x || event.button.y < pos.y-4 || + event.button.y > pos.y+8 + buttons_box.y*buttons_size.y) + break; + + caught_event = true; + + if(event.button.button == SDL_BUTTON_WHEELUP) + { + row--; + if(row < 0) + row = 0; + } + else if(event.button.button == SDL_BUTTON_WHEELDOWN) + { + row++; + if(row > (int)((buttons.size()-buttons_pair_nb)/buttons_box.x) - (int)buttons_box.y + + ((int)(buttons.size()-buttons_pair_nb)%(int)buttons_box.x != 0 ? 1 : 0)) + row = (int)((buttons.size()-buttons_pair_nb)/buttons_box.x) - (int)buttons_box.y + + ((int)(buttons.size()-buttons_pair_nb)%(int)buttons_box.x != 0 ? 1 : 0); + } + else if(event.button.button == SDL_BUTTON_LEFT) + mouse_left_button = true; + else + caught_event = false; + break; + case SDL_MOUSEBUTTONUP: + mouse_left_button = false; + break; + default: + break; + } + +if(caught_event) + return true; + +for(Buttons::iterator i = buttons.begin(); i != buttons.end(); ++i) + { + if(i->pos.y < row*buttons_size.y || + i->pos.y + i->size.y > (row + buttons_box.y) * buttons_size.y) + continue; + + if(i->event(event, (int)pos.x, + (int)pos.y - row*(int)buttons_size.y) == BT_SELECTED) { - if(state == BUTTON_PRESSED && key == shortcut) - state = BUTTON_CLICKED; + button_selected = i->id; + caught_event = true; + break; } -} + } -int Button::get_state() -{ - int rstate; - switch(state) - { - case BUTTON_CLICKED: - case BUTTON_WHEELUP: - case BUTTON_WHEELDOWN: - rstate = state; - state = BUTTON_NONE; - return rstate; - default: - return state; - } -} - -ButtonPanel::ButtonPanel(const SDL_Rect& rect) -{ - ButtonPanel(rect.x, rect.y, rect.w, rect.h); -} - -ButtonPanel::ButtonPanel(int x, int y, int w, int h) -{ - bw = 32; - bh = 32; - rect.x = x; - rect.y = y; - rect.w = w; - rect.h = h; - hidden = false; - hlast = false; +return caught_event; } -Button* ButtonPanel::event(SDL_Event& event) +int ButtonGroup::selected_id() { - if(!hidden) - { - Button* ret = NULL; - for(std::vector::iterator it = item.begin(); it != item.end(); ++it) - { - (*it)->event(event); - if((*it)->state != BUTTON_NONE) - { - if(hlast && (*it)->state == BUTTON_CLICKED) - last_clicked = it; - ret = (*it); - } - } - return ret; - } - else - { - return NULL; - } +return button_selected; } -ButtonPanel::~ButtonPanel() +void ButtonGroup::set_unselected() { - for(std::vector::iterator it = item.begin(); it != item.end(); ++it) - { - delete (*it); - } - item.clear(); +button_selected = -1; } -void ButtonPanel::draw(DrawingContext& context) +bool ButtonGroup::is_hover() { - - if(hidden == false) - { - fillrect(rect.x,rect.y,rect.w,rect.h,100,100,100,200); - for(std::vector::iterator it = item.begin(); it != item.end(); ++it) - { - (*it)->draw(context); - if(hlast && it == last_clicked) - { - fillrect((*it)->get_pos().x,(*it)->get_pos().y,(*it)->get_pos().w,(*it)->get_pos().h,100,100,100,128); - } - } - } -} - -void ButtonPanel::additem(Button* pbutton, int tag) -{ - int max_cols, row, col; - - item.push_back(pbutton); - - /* A button_panel takes control of the buttons it contains and arranges them */ - - max_cols = rect.w / bw; - - row = (item.size()-1) / max_cols; - col = (item.size()-1) % max_cols; - - item[item.size()-1]->rect.x = rect.x + col * bw; - item[item.size()-1]->rect.y = rect.y + row * bh; - item[item.size()-1]->tag = tag; - -} - -void ButtonPanel::set_button_size(int w, int h) -{ - bw = w; - bh = h; -} - -Button* ButtonPanel::manipulate_button(int i) -{ - if(int(item.size())-1 < i) - return item[item.size()-1]; - else - return item[i]; -} - -void ButtonPanel::highlight_last(bool b) -{ - hlast = b; -} - -void ButtonPanel::set_last_clicked(unsigned int last) -{ - if(hlast) - { - if(item.size() >= last) - { - last_clicked = item.begin() + last; - } - } +return mouse_hover; } diff --git a/lib/gui/button.h b/lib/gui/button.h index 3ad96750d..518edb3c2 100644 --- a/lib/gui/button.h +++ b/lib/gui/button.h @@ -1,145 +1,92 @@ -// $Id$ -// -// SuperTux -// Copyright (C) 2004 Tobias Glaesser -// -// 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. +/*************************************************************************** + button.h - graphical buttons + ------------------- + begin : June, 23 2004 + copyright : (C) 2004 by Ricardo Cruz + email : rick2@aeiou.pt + ***************************************************************************/ + +/*************************************************************************** + * * + * 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. * + * * + ***************************************************************************/ #ifndef SUPERTUX_BUTTON_H #define SUPERTUX_BUTTON_H #include +#include -#include "../video/surface.h" -#include "../video/font.h" -#include "../special/timer.h" +#include "../math/vector.h" +#include "../video/drawing_context.h" namespace SuperTux { - - /// Possible states of a button. - enum ButtonState { - BUTTON_NONE = -1, - BUTTON_CLICKED, - BUTTON_PRESSED, - BUTTON_HOVER, - BUTTON_WHEELUP, - BUTTON_WHEELDOWN, - BUTTON_DEACTIVE +class Surface; +class ButtonGroup; + +enum { + BT_NONE, + BT_HOVER, + BT_SELECTED, + BT_SHOW_INFO }; - class ButtonPanel; - - /// Button - /** Buttons can be placed on the screen and used like any other - simple button known from desktop applications. */ - class Button - { - friend class ButtonPanel; - - public: - /// Constructor - Button(Surface* button_image, const std::string& ninfo, - SDLKey nshortcut, int x, int y, int mw = -1, int mh = -1); - Button(const std::string& imagefilename, const std::string& ninfo, - SDLKey nshortcut, int x, int y, int mw = -1, int mh = -1); - - ~Button(); - - /// Apply SDL_Event on button. - void event(SDL_Event& event); - /// Draw button. - void draw(DrawingContext& context); - /// Get button state. - int get_state(); - /// Activate/Deactivate button. - void set_active(bool active) - { active ? state = BUTTON_NONE : state = BUTTON_DEACTIVE; }; - /// Add an icon - /** The last added icon is the last one, which gets drawn. */ - void add_icon(const std::string& imagefile, int mw, int mh); - /// Get position of the button on screen. - /** Returns a SDL_Rect. */ - SDL_Rect get_pos() - { return rect; } - /// Get tag of the button - /** Useable for button identification etc. */ - int get_tag() - { return tag; } - // void set_drawable(Drawable* newdrawable) - // { drawable = newdrawable; } - - static Font* info_font; - - private: - static Timer popup_timer; - // Drawable* drawable; - std::vector icon; - std::string info; - SDLKey shortcut; - SDL_Rect rect; - bool show_info; - ButtonState state; - int tag; - }; - - /// Panel of buttons - /** A ButtonPanel manages buttons inside - its scope. It also dispatches events - and draws the buttons it contains. */ - class ButtonPanel - { - public: - /// Constructor. - /** Expects X,Y coordinates and the width and height values - of the ButtonPanel. */ - ButtonPanel(int x, int y, int w, int h); - /// Constructor. - /** SDL_Rect version of above. */ - ButtonPanel(const SDL_Rect& rect); - - ~ButtonPanel(); - /// Draw the panel and its buttons. - void draw(DrawingContext& context); - /// Dispatch button events. - Button* event(SDL_Event &event); - /// Add a button to the panel. - /** @param tag: Can be used to identify a button. */ - void additem(Button* pbutton, int tag); - /// Set the default size of contained buttons. - void set_button_size(int w, int h); - /// Manipulate a button. - Button* manipulate_button(int i); - /// Set if the last clicked/used item, should be drawn highlighted. - void highlight_last(bool b); - /// Set the last clicked/used button. - /** Set which button is internally the last clicked/used and - therefore drawn highlighted in case button highlighting - is enabled for the ButtonPanel. */ - void set_last_clicked(unsigned int last); - - private: - int bw, bh; - bool hlast; - bool hidden; - SDL_Rect rect; - std::vector item; - std::vector::iterator last_clicked; - }; - -} // namespace SuperTux - -#endif /*SUPERTUX_BUTTON_H*/ +class Button +{ +public: + Button(Surface* image_, std::string info_, SDLKey binding_); + ~Button(); + + void draw(DrawingContext& context, bool selected); + int event(SDL_Event& event, int x_offset = 0, int y_offset = 0); + + static Font* info_font; + +private: + friend class ButtonGroup; + + Vector pos, size; + + Surface* image; + SDLKey binding; + + int id; + int state; + std::string info; +}; + +class ButtonGroup +{ +public: + ButtonGroup(Vector pos_, Vector size_, Vector button_box_); + ~ButtonGroup(); + + void draw(DrawingContext& context); + bool event(SDL_Event& event); + + void add_button(Button button, int id, bool select = false); + void add_pair_of_buttons(Button button1, int id1, Button button2, int id2); + + int selected_id(); + void set_unselected(); + bool is_hover(); + +private: + Vector pos, buttons_size, buttons_box; + typedef std::vector