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 "GUI.h"
21
IGUITextOwner()22 IGUITextOwner::IGUITextOwner() : m_GeneratedTextsValid(false)
23 {
24 }
25
~IGUITextOwner()26 IGUITextOwner::~IGUITextOwner()
27 {
28 for (SGUIText* const& t : m_GeneratedTexts)
29 delete t;
30 }
31
AddText(SGUIText * text)32 void IGUITextOwner::AddText(SGUIText* text)
33 {
34 m_GeneratedTexts.push_back(text);
35 }
36
HandleMessage(SGUIMessage & Message)37 void IGUITextOwner::HandleMessage(SGUIMessage& Message)
38 {
39 switch (Message.type)
40 {
41 case GUIM_SETTINGS_UPDATED:
42 // Everything that can change the visual appearance.
43 // it is assumed that the text of the object will be dependent on
44 // these. Although that is not certain, but one will have to manually
45 // change it and disregard this function.
46 // TODO Gee: (2004-09-07) Make sure this is all options that can affect the text.
47 if (Message.value == "size" || Message.value == "z" ||
48 Message.value == "absolute" || Message.value == "caption" ||
49 Message.value == "font" || Message.value == "textcolor" ||
50 Message.value == "buffer_zone")
51 {
52 m_GeneratedTextsValid = false;
53 }
54 break;
55
56 default:
57 break;
58 }
59 }
60
UpdateCachedSize()61 void IGUITextOwner::UpdateCachedSize()
62 {
63 // If an ancestor's size changed, this will let us intercept the change and
64 // update our text positions
65
66 IGUIObject::UpdateCachedSize();
67 m_GeneratedTextsValid = false;
68 }
69
DrawText(size_t index,const CColor & color,const CPos & pos,float z,const CRect & clipping)70 void IGUITextOwner::DrawText(size_t index, const CColor& color, const CPos& pos, float z, const CRect& clipping)
71 {
72 if (!m_GeneratedTextsValid)
73 {
74 SetupText();
75 m_GeneratedTextsValid = true;
76 }
77
78 ENSURE(index < m_GeneratedTexts.size() && "Trying to draw a Text Index within a IGUITextOwner that doesn't exist");
79
80 if (GetGUI())
81 GetGUI()->DrawText(*m_GeneratedTexts[index], color, pos, z, clipping);
82 }
83
CalculateTextPosition(CRect & ObjSize,CPos & TextPos,SGUIText & Text)84 void IGUITextOwner::CalculateTextPosition(CRect& ObjSize, CPos& TextPos, SGUIText& Text)
85 {
86 EVAlign valign;
87 GUI<EVAlign>::GetSetting(this, "text_valign", valign);
88
89 // The horizontal Alignment is now computed in GenerateText in order to not have to
90 // loop through all of the TextCall objects again.
91 TextPos.x = ObjSize.left;
92
93 switch (valign)
94 {
95 case EVAlign_Top:
96 TextPos.y = ObjSize.top;
97 break;
98 case EVAlign_Center:
99 // Round to integer pixel values, else the fonts look awful
100 TextPos.y = floorf(ObjSize.CenterPoint().y - Text.m_Size.cy/2.f);
101 break;
102 case EVAlign_Bottom:
103 TextPos.y = ObjSize.bottom - Text.m_Size.cy;
104 break;
105 default:
106 debug_warn(L"Broken EVAlign in CButton::SetupText()");
107 break;
108 }
109 }
110
MouseOverIcon()111 bool IGUITextOwner::MouseOverIcon()
112 {
113 return false;
114 }
115