Line data    Source code

       1             : /* Copyright (C) 2021 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 "gui/CGUI.h"
      23             : #include "gui/CGUIText.h"
      24             : #include "gui/SettingTypes/CGUIColor.h"
      25             : 
      26           0 : CButton::CButton(CGUI& pGUI)
      27             :     : IGUIObject(pGUI),
      28             :       IGUIButtonBehavior(*static_cast<IGUIObject*>(this)),
      29             :       IGUITextOwner(*static_cast<IGUIObject*>(this)),
      30             :       m_BufferZone(this, "buffer_zone"),
      31             :       m_Caption(this, "caption"),
      32             :       m_Font(this, "font"),
      33             :       m_Sprite(this, "sprite"),
      34             :       m_SpriteOver(this, "sprite_over"),
      35             :       m_SpritePressed(this, "sprite_pressed"),
      36             :       m_SpriteDisabled(this, "sprite_disabled"),
      37             :       m_TextColor(this, "textcolor"),
      38             :       m_TextColorOver(this, "textcolor_over"),
      39             :       m_TextColorPressed(this, "textcolor_pressed"),
      40             :       m_TextColorDisabled(this, "textcolor_disabled"),
      41           0 :       m_MouseEventMask(this)
      42             : {
      43           0 :     AddText();
      44           0 : }
      45             : 
      46           0 : CButton::~CButton()
      47             : {
      48           0 : }
      49             : 
      50           0 : void CButton::SetupText()
      51             : {
      52           0 :     ENSURE(m_GeneratedTexts.size() == 1);
      53             : 
      54           0 :     m_GeneratedTexts[0] = CGUIText(m_pGUI, m_Caption, m_Font, m_CachedActualSize.GetWidth(), m_BufferZone, m_TextAlign, this);
      55           0 :     CalculateTextPosition(m_CachedActualSize, m_TextPos, m_GeneratedTexts[0]);
      56           0 : }
      57             : 
      58           0 : void CButton::ResetStates()
      59             : {
      60           0 :     IGUIObject::ResetStates();
      61           0 :     IGUIButtonBehavior::ResetStates();
      62           0 : }
      63             : 
      64           0 : void CButton::UpdateCachedSize()
      65             : {
      66           0 :     IGUIObject::UpdateCachedSize();
      67           0 :     IGUITextOwner::UpdateCachedSize();
      68           0 : }
      69             : 
      70           0 : CSize2D CButton::GetTextSize()
      71             : {
      72           0 :     UpdateText();
      73           0 :     return m_GeneratedTexts[0].GetSize();
      74             : }
      75             : 
      76           0 : void CButton::HandleMessage(SGUIMessage& Message)
      77             : {
      78           0 :     IGUIObject::HandleMessage(Message);
      79           0 :     IGUIButtonBehavior::HandleMessage(Message);
      80           0 :     IGUITextOwner::HandleMessage(Message);
      81           0 : }
      82             : 
      83           0 : void CButton::Draw(CCanvas2D& canvas)
      84             : {
      85           0 :     m_pGUI.DrawSprite(
      86             :         GetButtonSprite(m_Sprite, m_SpriteOver, m_SpritePressed, m_SpriteDisabled),
      87             :         canvas,
      88             :         m_CachedActualSize);
      89             : 
      90           0 :     DrawText(canvas, 0, ChooseColor(), m_TextPos);
      91           0 : }
      92             : 
      93           0 : bool CButton::IsMouseOver() const
      94             : {
      95           0 :     if (!IGUIObject::IsMouseOver())
      96           0 :         return false;
      97           0 :     if (!m_MouseEventMask)
      98           0 :         return true;
      99           0 :     return m_MouseEventMask.IsMouseOver(m_pGUI.GetMousePos(), m_CachedActualSize);
     100             : }
     101             : 
     102           0 : const CGUIColor& CButton::ChooseColor()
     103             : {
     104           0 :     if (!m_Enabled)
     105           0 :         return *m_TextColorDisabled ? m_TextColorDisabled : m_TextColor;
     106             : 
     107           0 :     if (!m_MouseHovering)
     108           0 :         return m_TextColor;
     109             : 
     110           0 :     if (m_Pressed)
     111           0 :         return *m_TextColorPressed ? m_TextColorPressed : m_TextColor;
     112             : 
     113           0 :     return *m_TextColorOver ? m_TextColorOver : m_TextColor;
     114             : }