forked from 0ad/0ad
141 lines
3.8 KiB
C++
141 lines
3.8 KiB
C++
#include "precompiled.h"
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#include "CTooltip.h"
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#include "CGUI.h"
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CTooltip::CTooltip()
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{
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AddSetting(GUIST_float, "buffer-zone");
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AddSetting(GUIST_CGUIString, "caption");
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AddSetting(GUIST_CStr, "font");
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AddSetting(GUIST_CGUISpriteInstance, "sprite");
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AddSetting(GUIST_int, "time");
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AddSetting(GUIST_CColor, "textcolor");
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AddSetting(GUIST_int, "maxwidth");
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AddSetting(GUIST_CPos, "pos");
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AddSetting(GUIST_EVAlign, "anchor");
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AddSetting(GUIST_CPos, "_mousepos");
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GUI<int>::SetSetting(this, "time", 500);
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GUI<EVAlign>::SetSetting(this, "anchor", EVAlign_Bottom);
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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(new SGUIText());
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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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if (!GetGUI())
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return;
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assert(m_GeneratedTexts.size()==1);
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CStr font;
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if (GUI<CStr>::GetSetting(this, "font", font) != PS_OK || font.Length()==0)
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font = "default";
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float buffer_zone=0.f;
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GUI<float>::GetSetting(this, "buffer-zone", buffer_zone);
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CGUIString caption;
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GUI<CGUIString>::GetSetting(this, "caption", caption);
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float max_width = 500.f; // TODO: max-width setting
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*m_GeneratedTexts[0] = GetGUI()->GenerateText(caption, font, max_width, buffer_zone, this);
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CPos mousepos, pos;
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EVAlign anchor;
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GUI<CPos>::GetSetting(this, "_mousepos", mousepos);
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GUI<CPos>::GetSetting(this, "pos", pos);
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GUI<EVAlign>::GetSetting(this, "anchor", anchor);
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// Position the tooltip relative to the mouse
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CClientArea size;
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size.pixel.left = mousepos.x + pos.x;
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size.pixel.right = size.pixel.left + m_GeneratedTexts[0]->m_Size.cx;
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switch (anchor)
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{
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case EVAlign_Top:
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size.pixel.top = mousepos.y + pos.y;
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size.pixel.bottom = size.pixel.top + m_GeneratedTexts[0]->m_Size.cy;
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break;
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case EVAlign_Bottom:
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size.pixel.bottom = mousepos.y + pos.y;
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size.pixel.top = size.pixel.bottom - m_GeneratedTexts[0]->m_Size.cy;
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break;
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case EVAlign_Center:
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size.pixel.top = mousepos.y + pos.y - m_GeneratedTexts[0]->m_Size.cy/2.f;
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size.pixel.bottom = size.pixel.top + m_GeneratedTexts[0]->m_Size.cy;
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break;
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default:
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debug_warn("Invalid EVAlign!");
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}
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// Adjust it if it's falling off the screen
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extern int g_xres, g_yres;
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float screenw = (float)g_xres, screenh = (float)g_yres;
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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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else 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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GUI<CClientArea>::SetSetting(this, "size", size);
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UpdateCachedSize();
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}
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void CTooltip::HandleMessage(const SGUIMessage &Message)
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{
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switch (Message.type)
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{
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case GUIM_SETTINGS_UPDATED:
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// Don't update the text when the size changes, because the size is
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// changed whenever the text is updated ( => infinite recursion)
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if (/*Message.value == "size" ||*/ Message.value == "caption" ||
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Message.value == "font" || Message.value == "buffer-zone")
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{
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SetupText();
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}
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break;
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case GUIM_LOAD:
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SetupText();
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break;
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default:
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break;
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}
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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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if (GetGUI())
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{
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CGUISpriteInstance *sprite;
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GUI<CGUISpriteInstance>::GetSettingPointer(this, "sprite", sprite);
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GetGUI()->DrawSprite(*sprite, 0, z, m_CachedActualSize);
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CColor color;
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GUI<CColor>::GetSetting(this, "textcolor", color);
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// Draw text
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IGUITextOwner::Draw(0, color, m_CachedActualSize.TopLeft(), z+0.1f);
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}
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}
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