elexis
1bc6d778bb
Differential Revision: https://code.wildfiregames.com/D2304 Tested on: clang 8.0.1., VS2015, Jenkins Comments By: Vladislav, Angen, Stan Tested by: Angen This was SVN commit r22941.
154 lines
4.5 KiB
C++
154 lines
4.5 KiB
C++
/* Copyright (C) 2019 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "CTooltip.h"
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#include "gui/CGUI.h"
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#include <algorithm>
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CTooltip::CTooltip(CGUI& pGUI)
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: IGUIObject(pGUI), IGUITextOwner(pGUI)
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{
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// If the tooltip is an object by itself:
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AddSetting<float>("buffer_zone");
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AddSetting<CGUIString>("caption");
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AddSetting<CStrW>("font");
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AddSetting<CGUISpriteInstance>("sprite");
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AddSetting<i32>("delay"); // in milliseconds
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AddSetting<CGUIColor>("textcolor");
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AddSetting<float>("maxwidth");
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AddSetting<CPos>("offset");
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AddSetting<EVAlign>("anchor");
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AddSetting<EAlign>("text_align");
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// This is used for tooltips that are hidden/revealed manually by scripts, rather than through the standard tooltip display mechanism
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AddSetting<bool>("independent");
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// If the tooltip is just a reference to another object:
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AddSetting<CStr>("use_object");
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AddSetting<bool>("hide_object");
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// Private settings:
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// This is set by GUITooltip
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AddSetting<CPos>("_mousepos");
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// Defaults
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SetSetting<i32>("delay", 500, true);
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SetSetting<EVAlign>("anchor", EVAlign_Bottom, true);
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SetSetting<EAlign>("text_align", EAlign_Left, true);
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// Set up a blank piece of text, to be replaced with a more
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// interesting message later
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AddText();
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}
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CTooltip::~CTooltip()
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{
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}
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void CTooltip::SetupText()
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{
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ENSURE(m_GeneratedTexts.size() == 1);
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const CGUIString& caption = GetSetting<CGUIString>("caption");
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const CStrW& font = GetSetting<CStrW>("font");
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const float max_width = GetSetting<float>("maxwidth");
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const float buffer_zone = GetSetting<float>("buffer_zone");
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m_GeneratedTexts[0] = CGUIText(m_pGUI, caption, font, max_width, buffer_zone, this);
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// Position the tooltip relative to the mouse:
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const CPos& mousepos = GetSetting<bool>("independent") ?
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m_pGUI.GetMousePos() :
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GetSetting<CPos>("_mousepos");
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const CPos& offset = GetSetting<CPos>("offset");
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float textwidth = m_GeneratedTexts[0].GetSize().cx;
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float textheight = m_GeneratedTexts[0].GetSize().cy;
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CClientArea size;
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size.pixel.left = mousepos.x + offset.x;
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size.pixel.right = size.pixel.left + textwidth;
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switch (GetSetting<EVAlign>("anchor"))
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{
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case EVAlign_Top:
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size.pixel.top = mousepos.y + offset.y;
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size.pixel.bottom = size.pixel.top + textheight;
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break;
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case EVAlign_Bottom:
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size.pixel.bottom = mousepos.y + offset.y;
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size.pixel.top = size.pixel.bottom - textheight;
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break;
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case EVAlign_Center:
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size.pixel.top = mousepos.y + offset.y - textheight/2.f;
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size.pixel.bottom = size.pixel.top + textwidth;
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break;
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default:
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debug_warn(L"Invalid EVAlign!");
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}
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// Reposition the tooltip if it's falling off the screen:
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extern int g_xres, g_yres;
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extern float g_GuiScale;
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float screenw = g_xres / g_GuiScale;
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float screenh = g_yres / g_GuiScale;
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if (size.pixel.top < 0.f)
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size.pixel.bottom -= size.pixel.top, size.pixel.top = 0.f;
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else if (size.pixel.bottom > screenh)
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size.pixel.top -= (size.pixel.bottom-screenh), size.pixel.bottom = screenh;
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if (size.pixel.left < 0.f)
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size.pixel.right -= size.pixel.left, size.pixel.left = 0.f;
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else if (size.pixel.right > screenw)
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size.pixel.left -= (size.pixel.right-screenw), size.pixel.right = screenw;
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SetSetting<CClientArea>("size", size, true);
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}
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void CTooltip::HandleMessage(SGUIMessage& Message)
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{
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IGUITextOwner::HandleMessage(Message);
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}
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void CTooltip::Draw()
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{
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float z = 900.f; // TODO: Find a nicer way of putting the tooltip on top of everything else
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CGUISpriteInstance& sprite = GetSetting<CGUISpriteInstance>("sprite");
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// Normally IGUITextOwner will handle this updating but since SetupText can modify the position
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// we need to call it now *before* we do the rest of the drawing
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if (!m_GeneratedTextsValid)
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{
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SetupText();
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m_GeneratedTextsValid = true;
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}
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m_pGUI.DrawSprite(sprite, 0, z, m_CachedActualSize);
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const CGUIColor& color = GetSetting<CGUIColor>("textcolor");
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DrawText(0, color, m_CachedActualSize.TopLeft(), z+0.1f);
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}
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