source/gui/CButton.cpp

   1 /* Copyright (C) 2015 Wildfire Games.
   2  * This file is part of 0 A.D.
   3  *
   4  * 0 A.D. is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * 0 A.D. is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include "precompiled.h"
  19
  20 #include "CButton.h"
  21
  22 #include "lib/ogl.h"
  23
  24 CButton::CButton()
  25 {
  26         AddSetting(GUIST_float,                                 "buffer_zone");
  27         AddSetting(GUIST_CGUIString,                    "caption");
  28         AddSetting(GUIST_int,                                   "cell_id");
  29         AddSetting(GUIST_CStrW,                                 "font");
  30         AddSetting(GUIST_CStrW,                                 "sound_disabled");
  31         AddSetting(GUIST_CStrW,                                 "sound_enter");
  32         AddSetting(GUIST_CStrW,                                 "sound_leave");
  33         AddSetting(GUIST_CStrW,                                 "sound_pressed");
  34         AddSetting(GUIST_CStrW,                                 "sound_released");
  35         AddSetting(GUIST_CGUISpriteInstance,    "sprite");
  36         AddSetting(GUIST_CGUISpriteInstance,    "sprite_over");
  37         AddSetting(GUIST_CGUISpriteInstance,    "sprite_pressed");
  38         AddSetting(GUIST_CGUISpriteInstance,    "sprite_disabled");
  39         AddSetting(GUIST_EAlign,                                "text_align");
  40         AddSetting(GUIST_EVAlign,                               "text_valign");
  41         AddSetting(GUIST_CColor,                                "textcolor");
  42         AddSetting(GUIST_CColor,                                "textcolor_over");
  43         AddSetting(GUIST_CColor,                                "textcolor_pressed");
  44         AddSetting(GUIST_CColor,                                "textcolor_disabled");
  45         AddSetting(GUIST_CStrW,                                 "tooltip");
  46         AddSetting(GUIST_CStr,                                  "tooltip_style");
  47
  48         // Add text
  49         AddText(new SGUIText());
  50 }
  51
  52 CButton::~CButton()
  53 {
  54 }
  55
  56 void CButton::SetupText()
  57 {
  58         if (!GetGUI())
  59                 return;
  60
  61         ENSURE(m_GeneratedTexts.size() == 1);
  62
  63         CStrW font;
  64         if (GUI<CStrW>::GetSetting(this, "font", font) != PSRETURN_OK || font.empty())
  65                 // Use the default if none is specified
  66                 // TODO Gee: (2004-08-14) Default should not be hard-coded, but be in styles!
  67                 font = L"default";
  68
  69         CGUIString caption;
  70         GUI<CGUIString>::GetSetting(this, "caption", caption);
  71
  72         float buffer_zone = 0.f;
  73         GUI<float>::GetSetting(this, "buffer_zone", buffer_zone);
  74         *m_GeneratedTexts[0] = GetGUI()->GenerateText(caption, font, m_CachedActualSize.GetWidth(), buffer_zone, this);
  75
  76         CalculateTextPosition(m_CachedActualSize, m_TextPos, *m_GeneratedTexts[0]);
  77 }
  78
  79 void CButton::HandleMessage(SGUIMessage& Message)
  80 {
  81         // Important
  82         IGUIButtonBehavior::HandleMessage(Message);
  83         IGUITextOwner::HandleMessage(Message);
  84 }
  85
  86 void CButton::Draw()
  87 {
  88         float bz = GetBufferedZ();
  89
  90         CGUISpriteInstance* sprite;
  91         CGUISpriteInstance* sprite_over;
  92         CGUISpriteInstance* sprite_pressed;
  93         CGUISpriteInstance* sprite_disabled;
  94         int cell_id;
  95
  96         // Statically initialise some strings, so we don't have to do
  97         // lots of allocation every time this function is called
  98         static const CStr strSprite("sprite");
  99         static const CStr strSpriteOver("sprite_over");
 100         static const CStr strSpritePressed("sprite_pressed");
 101         static const CStr strSpriteDisabled("sprite_disabled");
 102         static const CStr strCellId("cell_id");
 103
 104         GUI<CGUISpriteInstance>::GetSettingPointer(this, strSprite, sprite);
 105         GUI<CGUISpriteInstance>::GetSettingPointer(this, strSpriteOver, sprite_over);
 106         GUI<CGUISpriteInstance>::GetSettingPointer(this, strSpritePressed, sprite_pressed);
 107         GUI<CGUISpriteInstance>::GetSettingPointer(this, strSpriteDisabled, sprite_disabled);
 108         GUI<int>::GetSetting(this, strCellId, cell_id);
 109
 110         DrawButton(m_CachedActualSize,
 111                            bz,
 112                            *sprite,
 113                            *sprite_over,
 114                            *sprite_pressed,
 115                            *sprite_disabled,
 116                            cell_id);
 117
 118         CColor color = ChooseColor();
 119         DrawText(0, color, m_TextPos, bz+0.1f);
 120 }