2005-04-07 11:14:09 +02:00
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/*
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CList
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by Gustav Larsson
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gee@pyro.nu
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*/
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#include "precompiled.h"
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#include "GUI.h"
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#include "CList.h"
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using namespace std;
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//-------------------------------------------------------------------
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// Constructor / Destructor
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//-------------------------------------------------------------------
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CList::CList()
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{
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AddSetting(GUIST_float, "buffer_zone");
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//AddSetting(GUIST_CGUIString, "caption"); will it break removing this? If I know my system, then no, but test just in case TODO (Gee).
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AddSetting(GUIST_CStr, "font");
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AddSetting(GUIST_bool, "scrollbar");
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AddSetting(GUIST_CStr, "scrollbar_style");
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AddSetting(GUIST_CGUISpriteInstance, "sprite");
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AddSetting(GUIST_CGUISpriteInstance, "sprite_selectarea");
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AddSetting(GUIST_int, "cell_id");
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AddSetting(GUIST_EAlign, "text_align");
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AddSetting(GUIST_CColor, "textcolor");
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AddSetting(GUIST_int, "selected"); // Index selected. -1 is none.
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//AddSetting(GUIST_CStr, "tooltip");
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//AddSetting(GUIST_CStr, "tooltip_style");
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GUI<bool>::SetSetting(this, "scrollbar", false);
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GUI<int>::SetSetting(this, "selected", 1);
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// Add scroll-bar
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CGUIScrollBarVertical * bar = new CGUIScrollBarVertical();
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bar->SetRightAligned(true);
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bar->SetUseEdgeButtons(true);
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AddScrollBar(bar);
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}
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CList::~CList()
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{
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}
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void CList::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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m_ItemsYPositions.resize( m_Items.size()+1 );
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// Delete all generated texts. Some could probably be saved,
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// but this is easier, and this function will never be called
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// continuously, or even often, so it'll probably be okay.
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vector<SGUIText*>::iterator it;
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for (it=m_GeneratedTexts.begin(); it!=m_GeneratedTexts.end(); ++it)
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{
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if (*it)
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delete *it;
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}
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m_GeneratedTexts.clear();
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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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// Use the default if none is specified
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// TODO Gee: (2004-08-14) Don't define standard like this. Do it with the default style.
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font = "default";
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//CGUIString caption;
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bool scrollbar;
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//GUI<CGUIString>::GetSetting(this, "caption", caption);
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GUI<bool>::GetSetting(this, "scrollbar", scrollbar);
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float width = m_CachedActualSize.GetWidth();
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// remove scrollbar if applicable
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if (scrollbar && GetScrollBar(0).GetStyle())
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width -= GetScrollBar(0).GetStyle()->m_Width;
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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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// Generate texts
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float buffered_y = 0.f;
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2005-04-16 00:40:15 +02:00
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for (size_t i=0; i<m_Items.size(); ++i)
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2005-04-07 11:14:09 +02:00
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{
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// Create a new SGUIText. Later on, input it using AddText()
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SGUIText *text = new SGUIText();
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*text = GetGUI()->GenerateText(m_Items[i], font, width, buffer_zone, this);
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m_ItemsYPositions[i] = buffered_y;
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buffered_y += text->m_Size.cy;
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AddText(text);
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}
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m_ItemsYPositions[i] = buffered_y;
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//if (! scrollbar)
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// CalculateTextPosition(m_CachedActualSize, m_TextPos, *m_GeneratedTexts[0]);
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// Setup scrollbar
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if (scrollbar)
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{
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GetScrollBar(0).SetScrollRange( m_ItemsYPositions.back() );
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GetScrollBar(0).SetScrollSpace( m_CachedActualSize.GetHeight() );
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}
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}
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void CList::HandleMessage(const SGUIMessage &Message)
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{
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IGUIScrollBarOwner::HandleMessage(Message);
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//IGUITextOwner::HandleMessage(Message); <== placed it after the switch instead!
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switch (Message.type)
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{
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case GUIM_SETTINGS_UPDATED:
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bool scrollbar;
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GUI<bool>::GetSetting(this, "scrollbar", scrollbar);
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// Update scroll-bar
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// TODO Gee: (2004-09-01) Is this really updated each time it should?
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if (scrollbar &&
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(Message.value == CStr("size") ||
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Message.value == CStr("z") ||
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Message.value == CStr("absolute")))
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{
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GetScrollBar(0).SetX( m_CachedActualSize.right );
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GetScrollBar(0).SetY( m_CachedActualSize.top );
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GetScrollBar(0).SetZ( GetBufferedZ() );
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GetScrollBar(0).SetLength( m_CachedActualSize.bottom - m_CachedActualSize.top );
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}
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if (Message.value == CStr("scrollbar"))
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{
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SetupText();
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}
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// Update scrollbar
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if (Message.value == CStr("scrollbar_style"))
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{
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CStr scrollbar_style;
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GUI<CStr>::GetSetting(this, Message.value, scrollbar_style);
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GetScrollBar(0).SetScrollBarStyle( scrollbar_style );
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SetupText();
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}
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break;
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case GUIM_MOUSE_PRESS_LEFT:
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{
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bool scrollbar;
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GUI<bool>::GetSetting(this, "scrollbar", scrollbar);
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float scroll=0.f;
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if (scrollbar)
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{
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scroll = GetScrollBar(0).GetPos();
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}
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CPos mouse = GetMousePos();
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mouse.y += scroll;
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int set=-1;
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2005-04-16 00:40:15 +02:00
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for (int i=0; i<(int)m_Items.size(); ++i)
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2005-04-07 11:14:09 +02:00
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{
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if (mouse.y >= m_CachedActualSize.top + m_ItemsYPositions[i] &&
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mouse.y < m_CachedActualSize.top + m_ItemsYPositions[i+1] &&
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// mouse is not over scroll-bar
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!(mouse.x >= GetScrollBar(0).GetOuterRect().left &&
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mouse.x <= GetScrollBar(0).GetOuterRect().right))
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{
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set = i;
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}
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}
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if (set != -1)
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{
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GUI<int>::SetSetting(this, "selected", set);
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UpdateAutoScroll();
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}
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} break;
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case GUIM_MOUSE_WHEEL_DOWN:
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GetScrollBar(0).ScrollMinus();
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// Since the scroll was changed, let's simulate a mouse movement
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// to check if scrollbar now is hovered
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HandleMessage(SGUIMessage(GUIM_MOUSE_MOTION));
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break;
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case GUIM_MOUSE_WHEEL_UP:
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GetScrollBar(0).ScrollPlus();
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// Since the scroll was changed, let's simulate a mouse movement
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// to check if scrollbar now is hovered
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HandleMessage(SGUIMessage(GUIM_MOUSE_MOTION));
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break;
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case GUIM_LOAD:
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{
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GetScrollBar(0).SetX( m_CachedActualSize.right );
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GetScrollBar(0).SetY( m_CachedActualSize.top );
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GetScrollBar(0).SetZ( GetBufferedZ() );
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GetScrollBar(0).SetLength( m_CachedActualSize.bottom - m_CachedActualSize.top );
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CStr scrollbar_style;
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GUI<CStr>::GetSetting(this, "scrollbar_style", scrollbar_style);
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GetScrollBar(0).SetScrollBarStyle( scrollbar_style );
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}
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break;
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default:
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break;
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}
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IGUITextOwner::HandleMessage(Message);
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}
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int CList::ManuallyHandleEvent(const SDL_Event* ev)
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{
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int szChar = ev->key.keysym.sym;
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switch (szChar)
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{
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case SDLK_HOME:
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SelectFirstElement();
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UpdateAutoScroll();
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break;
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case SDLK_END:
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SelectLastElement();
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UpdateAutoScroll();
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break;
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case SDLK_UP:
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SelectPrevElement();
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UpdateAutoScroll();
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break;
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case SDLK_DOWN:
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SelectNextElement();
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UpdateAutoScroll();
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break;
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case SDLK_PAGEUP:
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GetScrollBar(0).ScrollMinusPlenty();
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break;
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case SDLK_PAGEDOWN:
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GetScrollBar(0).ScrollPlusPlenty();
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break;
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default: // Do nothing
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break;
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}
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return EV_HANDLED;
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}
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void CList::Draw()
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{
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float bz = GetBufferedZ();
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// First call draw on ScrollBarOwner
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bool scrollbar;
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GUI<bool>::GetSetting(this, "scrollbar", scrollbar);
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if (scrollbar)
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{
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// Draw scrollbar
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IGUIScrollBarOwner::Draw();
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}
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if (GetGUI())
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{
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CGUISpriteInstance *sprite=NULL, *sprite_selectarea=NULL;
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int cell_id, selected;
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GUI<CGUISpriteInstance>::GetSettingPointer(this, "sprite", sprite);
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GUI<CGUISpriteInstance>::GetSettingPointer(this, "sprite_selectarea", sprite_selectarea);
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GUI<int>::GetSetting(this, "cell_id", cell_id);
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GUI<int>::GetSetting(this, "selected", selected);
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GetGUI()->DrawSprite(*sprite, cell_id, bz, m_CachedActualSize);
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float scroll=0.f;
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if (scrollbar)
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{
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scroll = GetScrollBar(0).GetPos();
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}
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if (selected != -1)
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{
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2005-04-19 19:02:57 +02:00
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assert(selected >= 0 && selected+1 < (int)m_ItemsYPositions.size());
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2005-04-07 11:14:09 +02:00
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// Get rectangle of selection:
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CRect rect(m_CachedActualSize.left, m_CachedActualSize.top + m_ItemsYPositions[selected] - scroll,
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m_CachedActualSize.right, m_CachedActualSize.top + m_ItemsYPositions[selected+1] - scroll);
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if (rect.top <= m_CachedActualSize.bottom &&
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rect.bottom >= m_CachedActualSize.top)
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{
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if (rect.bottom > m_CachedActualSize.bottom)
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rect.bottom = m_CachedActualSize.bottom;
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if (rect.top < m_CachedActualSize.top)
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rect.top = m_CachedActualSize.top;
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if (scrollbar)
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{
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// Remove any overlapping area of the scrollbar.
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if (rect.right > GetScrollBar(0).GetOuterRect().left &&
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rect.right <= GetScrollBar(0).GetOuterRect().right)
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rect.right = GetScrollBar(0).GetOuterRect().left;
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if (rect.left >= GetScrollBar(0).GetOuterRect().left &&
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rect.left < GetScrollBar(0).GetOuterRect().right)
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rect.left = GetScrollBar(0).GetOuterRect().right;
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}
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GetGUI()->DrawSprite(*sprite_selectarea, cell_id, bz+0.05f, rect);
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}
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}
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CColor color;
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GUI<CColor>::GetSetting(this, "textcolor", color);
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2005-04-16 00:40:15 +02:00
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for (int i=0; i<(int)m_Items.size(); ++i)
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2005-04-07 11:14:09 +02:00
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{
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if (m_ItemsYPositions[i+1] - scroll < 0 ||
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m_ItemsYPositions[i] - scroll > m_CachedActualSize.GetHeight())
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continue;
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IGUITextOwner::Draw(i, color, m_CachedActualSize.TopLeft() - CPos(0.f, scroll - m_ItemsYPositions[i]), bz+0.1f);
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}
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}
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}
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void CList::AddItem(const CStr& str)
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{
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CGUIString gui_string;
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gui_string.SetValue(str);
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m_Items.push_back( gui_string );
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}
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bool CList::HandleAdditionalChildren(const XMBElement& child, CXeromyces* pFile)
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{
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int elmt_item = pFile->getElementID("item");
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if (child.getNodeName() == elmt_item)
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{
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AddItem((CStr)child.getText());
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return true;
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}
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else
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{
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return false;
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}
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}
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void CList::SelectNextElement()
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{
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int selected;
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GUI<int>::GetSetting(this, "selected", selected);
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if (selected != m_Items.size()-1)
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{
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++selected;
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GUI<int>::SetSetting(this, "selected", selected);
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}
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}
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void CList::SelectPrevElement()
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{
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int selected;
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GUI<int>::GetSetting(this, "selected", selected);
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if (selected != 0)
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{
|
|
|
|
--selected;
|
|
|
|
GUI<int>::SetSetting(this, "selected", selected);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void CList::SelectFirstElement()
|
|
|
|
{
|
|
|
|
int selected;
|
|
|
|
GUI<int>::GetSetting(this, "selected", selected);
|
|
|
|
|
|
|
|
if (selected != 0)
|
|
|
|
{
|
|
|
|
GUI<int>::SetSetting(this, "selected", 0);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void CList::SelectLastElement()
|
|
|
|
{
|
|
|
|
int selected;
|
|
|
|
GUI<int>::GetSetting(this, "selected", selected);
|
|
|
|
|
|
|
|
if (selected != m_Items.size()-1)
|
|
|
|
{
|
2005-04-16 00:40:15 +02:00
|
|
|
GUI<int>::SetSetting(this, "selected", (int)m_Items.size()-1);
|
2005-04-07 11:14:09 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void CList::UpdateAutoScroll()
|
|
|
|
{
|
|
|
|
int selected;
|
|
|
|
bool scrollbar;
|
|
|
|
float scroll;
|
|
|
|
GUI<int>::GetSetting(this, "selected", selected);
|
|
|
|
GUI<bool>::GetSetting(this, "scrollbar", scrollbar);
|
|
|
|
|
|
|
|
// No scrollbar, no scrolling (at least it's not made to work properly).
|
|
|
|
if (!scrollbar)
|
|
|
|
return;
|
|
|
|
|
|
|
|
scroll = GetScrollBar(0).GetPos();
|
|
|
|
|
|
|
|
// Check upper boundary
|
|
|
|
if (m_ItemsYPositions[selected] < scroll)
|
|
|
|
{
|
|
|
|
GetScrollBar(0).SetPos(m_ItemsYPositions[selected]);
|
|
|
|
return; // this means, if it wants to align both up and down at the same time
|
|
|
|
// this will have precedence.
|
|
|
|
}
|
|
|
|
|
|
|
|
// Check lower boundary
|
|
|
|
if (m_ItemsYPositions[selected+1]-m_CachedActualSize.GetHeight() > scroll)
|
|
|
|
{
|
|
|
|
GetScrollBar(0).SetPos(m_ItemsYPositions[selected+1]-m_CachedActualSize.GetHeight());
|
|
|
|
}
|
|
|
|
|
|
|
|
/* float buffer_zone;
|
|
|
|
bool multiline;
|
|
|
|
GUI<float>::GetSetting(this, "buffer_zone", buffer_zone);
|
|
|
|
GUI<bool>::GetSetting(this, "multiline", multiline);
|
|
|
|
|
|
|
|
// Autoscrolling up and down
|
|
|
|
if (multiline)
|
|
|
|
{
|
|
|
|
CStr font_name;
|
|
|
|
bool scrollbar;
|
|
|
|
GUI<CStr>::GetSetting(this, "font", font_name);
|
|
|
|
GUI<bool>::GetSetting(this, "scrollbar", scrollbar);
|
|
|
|
|
|
|
|
float scroll=0.f;
|
|
|
|
if (!scrollbar)
|
|
|
|
return;
|
|
|
|
|
|
|
|
scroll = GetScrollBar(0).GetPos();
|
|
|
|
|
|
|
|
// Now get the height of the font.
|
|
|
|
// TODO: Get the real font
|
|
|
|
CFont font(font_name);
|
|
|
|
float spacing = (float)font.GetLineSpacing();
|
|
|
|
//float height = font.GetHeight();
|
|
|
|
|
|
|
|
// TODO Gee (2004-11-21): Okay, I need a 'list' for some reasons, but I would really like to
|
|
|
|
// be able to get the specific element here. This is hopefully a temporary hack.
|
|
|
|
|
|
|
|
list<SRow>::iterator current = m_CharacterPositions.begin();
|
|
|
|
int row=0;
|
|
|
|
while (current != m_CharacterPositions.end())
|
|
|
|
{
|
|
|
|
if (m_iBufferPos >= current->m_ListStart &&
|
|
|
|
m_iBufferPos <= current->m_ListStart+(int)current->m_ListOfX.size())
|
|
|
|
break;
|
|
|
|
|
|
|
|
++current;
|
|
|
|
++row;
|
|
|
|
}
|
|
|
|
|
|
|
|
// If scrolling down
|
|
|
|
if (-scroll + (float)(row+1) * spacing + buffer_zone*2.f > m_CachedActualSize.GetHeight())
|
|
|
|
{
|
|
|
|
// Scroll so the selected row is shown completely, also with buffer_zone length to the edge.
|
|
|
|
GetScrollBar(0).SetPos((float)(row+1) * spacing - m_CachedActualSize.GetHeight() + buffer_zone*2.f);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
// If scrolling up
|
|
|
|
if (-scroll + (float)row * spacing < 0.f)
|
|
|
|
{
|
|
|
|
// Scroll so the selected row is shown completely, also with buffer_zone length to the edge.
|
|
|
|
GetScrollBar(0).SetPos((float)row * spacing);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else // autoscrolling left and right
|
|
|
|
{
|
|
|
|
// Get X position of position:
|
|
|
|
if (m_CharacterPositions.empty())
|
|
|
|
return;
|
|
|
|
|
|
|
|
float x_position = 0.f;
|
|
|
|
float x_total = 0.f;
|
|
|
|
if (!m_CharacterPositions.begin()->m_ListOfX.empty())
|
|
|
|
{
|
|
|
|
|
|
|
|
// Get position of m_iBufferPos
|
|
|
|
if ((int)m_CharacterPositions.begin()->m_ListOfX.size() >= m_iBufferPos &&
|
|
|
|
m_iBufferPos != 0)
|
|
|
|
x_position = m_CharacterPositions.begin()->m_ListOfX[m_iBufferPos-1];
|
|
|
|
|
|
|
|
// Get complete length:
|
|
|
|
x_total = m_CharacterPositions.begin()->m_ListOfX[ m_CharacterPositions.begin()->m_ListOfX.size()-1 ];
|
|
|
|
}
|
|
|
|
|
|
|
|
// Check if outside to the right
|
|
|
|
if (x_position - m_HorizontalScroll + buffer_zone*2.f > m_CachedActualSize.GetWidth())
|
|
|
|
m_HorizontalScroll = x_position - m_CachedActualSize.GetWidth() + buffer_zone*2.f;
|
|
|
|
|
|
|
|
// Check if outside to the left
|
|
|
|
if (x_position - m_HorizontalScroll < 0.f)
|
|
|
|
m_HorizontalScroll = x_position;
|
|
|
|
|
|
|
|
// Check if the text doesn't even fill up to the right edge even though scrolling is done.
|
|
|
|
if (m_HorizontalScroll != 0.f &&
|
|
|
|
x_total - m_HorizontalScroll + buffer_zone*2.f < m_CachedActualSize.GetWidth())
|
|
|
|
m_HorizontalScroll = x_total - m_CachedActualSize.GetWidth() + buffer_zone*2.f;
|
|
|
|
|
|
|
|
// Now this is the fail-safe, if x_total isn't even the length of the control,
|
|
|
|
// remove all scrolling
|
|
|
|
if (x_total + buffer_zone*2.f < m_CachedActualSize.GetWidth())
|
|
|
|
m_HorizontalScroll = 0.f;
|
|
|
|
}*/
|
|
|
|
}
|