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openclonk/src/gui/C4Gui.cpp

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/*
* OpenClonk, http://www.openclonk.org
*
* Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de/
* Copyright (c) 2009-2016, The OpenClonk Team and contributors
*
* Distributed under the terms of the ISC license; see accompanying file
* "COPYING" for details.
*
* "Clonk" is a registered trademark of Matthes Bender, used with permission.
* See accompanying file "TRADEMARK" for details.
*
* To redistribute this file separately, substitute the full license texts
* for the above references.
*/
// generic user interface
// all generic classes that do not fit into other C4Gui*-files
#include "C4Include.h"
#include "gui/C4Gui.h"
#include "game/C4FullScreen.h"
#include "gui/C4LoaderScreen.h"
#include "game/C4Application.h"
#include "game/C4Viewport.h"
#include "lib/C4Log.h"
#include "platform/C4GamePadCon.h"
#include "gui/C4MouseControl.h"
#include "graphics/C4GraphicsResource.h"
#include "graphics/C4Draw.h"
#include "game/C4GraphicsSystem.h"
namespace C4GUI
{
// --------------------------------------------------
// Generic helpers
bool ExpandHotkeyMarkup(StdStrBuf &sText, uint32_t &rcHotkey, bool for_tooltip)
{
const char *HotkeyMarkup = (for_tooltip ? "<c ff800000>%s</c>" : "<c ffffff7f>%s</c>");
StdStrBuf output;
const char *input = sText.getData();
rcHotkey = 0;
// Iterate over all input characters
while (input && *input)
{
if (*input != '&')
{
// This will correctly copy UTF-8 chars too
output.AppendChar(*input++);
}
else
{
++input;
if (*input == '\0' || *input == '&')
{
// If the ampersand is followed by another ampersand, or it is the last character, copy it verbatimly
// Note: This means you can't use an ampersand as an accelerator key.
output.AppendChar(*input);
}
else
{
// Store the start of the hotkey so we can copy it later
const char *accel_start = input;
rcHotkey = GetNextCharacter(&input);
// Using std::string because StdStrBuf doesn't have a ctor from two iterators
std::string accel(accel_start, input);
output.AppendFormat(HotkeyMarkup, accel.c_str());
// Converting a char code to upper case isn't trivial for unicode. (This should really just use ICU.)
if (Inside(rcHotkey, static_cast<uint32_t>('a'), static_cast<uint32_t>('z')))
{
rcHotkey += static_cast<uint32_t>('A') - 'a';
}
else if (!Inside(rcHotkey, static_cast<uint32_t>('A'), static_cast<uint32_t>('Z')))
{
// Warn about accelerator keys outside the basic latin alphabet.
LogF(LoadResStr("IDS_ERR_UNSUPPORTED_ACCELERATOR"), accel.c_str(), sText.getData());
}
}
}
}
if (rcHotkey == 0)
{
// No accelerator found
return false;
}
sText.Take(output);
// done, success
return true;
}
DWORD MakeColorReadableOnBlack(DWORD &rdwClr)
{
// max alpha
DWORD dwAlpha = std::max<DWORD>(rdwClr>>24&255, 0xff)<<24;
rdwClr &= 0xffffff;
// determine brightness
// 50% red, 87% green, 27% blue (max 164 * 255)
DWORD r=(rdwClr>>16&255), g=(rdwClr>>8&255), b=(rdwClr&255);
int32_t iLightness = r*50 + g*87 + b*27;
// above 65/164 (*255) is OK
if (iLightness < 16575)
{
int32_t iInc = (16575-iLightness) / 164;
// otherwise, lighten
rdwClr = (std::min<DWORD>(r+iInc, 255)<<16) | (std::min<DWORD>(g+iInc, 255)<<8) | std::min<DWORD>(b+iInc, 255);
}
// return color and alpha
rdwClr |= dwAlpha;
return rdwClr;
}
void DynBarFacet::SetHorizontal(C4Surface &rBySfc, int iHeight, int iBorderWidth)
{
if (!iHeight) iHeight = rBySfc.Hgt;
if (!iBorderWidth) iBorderWidth = iHeight;
fctBegin.Set(&rBySfc,0,0,iBorderWidth,iHeight);
fctMiddle.Set(&rBySfc,iBorderWidth,0,rBySfc.Wdt-2*iBorderWidth,iHeight);
fctEnd.Set(&rBySfc,rBySfc.Wdt-iBorderWidth,0,iBorderWidth,iHeight);
}
void DynBarFacet::SetHorizontal(C4Facet &rByFct, int32_t iBorderWidth)
{
if (!iBorderWidth) iBorderWidth = rByFct.Hgt;
fctBegin.Set(rByFct.Surface,rByFct.X,rByFct.Y,iBorderWidth,rByFct.Hgt);
fctMiddle.Set(rByFct.Surface,rByFct.Hgt,rByFct.X,rByFct.Y+rByFct.Wdt-2*iBorderWidth,rByFct.Hgt);
fctEnd.Set(rByFct.Surface,rByFct.X+rByFct.Wdt-iBorderWidth,rByFct.Y,iBorderWidth,rByFct.Hgt);
}
void ScrollBarFacets::Set(const C4Facet &rByFct, int32_t iPinIndex)
{
// set by hardcoded size
barScroll.fctBegin.Set(rByFct.Surface,0,0,16,16);
barScroll.fctMiddle.Set(rByFct.Surface,0,16,16,16);
barScroll.fctEnd.Set(rByFct.Surface,0,32,16,16);
fctScrollDTop.Set(rByFct.Surface,16,0,16,16);
if (iPinIndex)
fctScrollPin.Set(rByFct.Surface,32,16*(iPinIndex-1),16,16);
else
fctScrollPin.Set(rByFct.Surface,16,16,16,16);
fctScrollDBottom.Set(rByFct.Surface,16,32,16,16);
}
// --------------------------------------------------
// Element
Element::Element() : pParent(nullptr), pDragTarget(nullptr), fDragging(false), pContextHandler(nullptr), fVisible(true), is_immediate_tooltip(false)
{
// pParent=nullptr invalidates pPrev/pNext
// fDragging=false invalidates iDragX/Y
// zero fields
rcBounds.Set(0,0,0,0);
}
Element::~Element()
{
// delete context handler
if (pContextHandler) { pContextHandler->DeRef(); pContextHandler=nullptr; }
// remove from any container
if (pParent)
pParent->RemoveElement(this);
else if (this != Screen::GetScreenS() && Screen::GetScreenS())
// always ensure removal from screen!
Screen::GetScreenS()->RemoveElement(this);
}
void Element::RemoveElement(Element *pChild)
{
// child removed: forward to parent
if (pParent)
pParent->RemoveElement(pChild);
else if (this != Screen::GetScreenS())
// always ensure removal from screen!
// but not if this is the context menu, to avoid endless flip-flop!
if (!IsMenu())
Screen::GetScreenS()->RemoveElement(pChild);
}
void Element::UpdateSize()
{
// update own fields
UpdateOwnPos();
// notify container
if (pParent) pParent->ElementSizeChanged(this);
}
void Element::UpdatePos()
{
// update own fields
UpdateOwnPos();
// notify container
if (pParent) pParent->ElementPosChanged(this);
}
bool Element::IsVisible()
{
// self and parent must be visible
return fVisible && (!pParent || pParent->IsVisible());
}
void Element::SetVisibility(bool fToValue)
{
fVisible = fToValue;
// stop mouseover for invisible
if (!fVisible)
{
Screen *pScreen = GetScreen();
if (pScreen) pScreen->Mouse.OnElementGetsInvisible(this);
}
}
void Element::ScreenPos2ClientPos(int32_t &riX, int32_t &riY)
{
// apply all parent offsets
Container *pCont = pParent;
while (pCont)
{
pCont->ApplyElementOffset(riX, riY);
pCont = pCont->GetParent();
}
// apply own offset
riX -= rcBounds.x; riY -= rcBounds.y;
}
void Element::ClientPos2ScreenPos(int32_t &riX, int32_t &riY)
{
// apply all parent offsets
Container *pCont = pParent;
while (pCont)
{
pCont->ApplyInvElementOffset(riX, riY);
pCont = pCont->GetParent();
}
// apply own offset
riX += rcBounds.x; riY += rcBounds.y;
}
void Element::MouseInput(CMouse &rMouse, int32_t iButton, int32_t iX, int32_t iY, DWORD dwKeyParam)
{
// store self as mouse-over-component
rMouse.pMouseOverElement = this;
// evaluate dragging
if (pDragTarget && iButton == C4MC_Button_LeftDown && !rMouse.pDragElement)
StartDragging(rMouse, iX, iY, dwKeyParam);
// right button down: open context menu
if (iButton == C4MC_Button_RightDown)
{
ContextHandler *pCtx = GetContextHandler();
if (pCtx) pCtx->OnContext(this, iX, iY);
}
}
void Element::StartDragging(CMouse &rMouse, int32_t iX, int32_t iY, DWORD dwKeyParam)
{
// set flag
fDragging = true;
// set drag start pos
iDragX = iX; iDragY = iY;
// mark drag in mouse
rMouse.pDragElement = this;
}
void Element::DoDragging(CMouse &rMouse, int32_t iX, int32_t iY, DWORD dwKeyParam)
{
// check if anything moved
if (pDragTarget && (iX != iDragX || iY != iDragY))
{
// move position, then
pDragTarget->rcBounds.x += iX-iDragX;
pDragTarget->rcBounds.y += iY-iDragY;
// drag X/Y is up-to-date if this is a child element of the drag target
pDragTarget->UpdatePos();
}
}
void Element::StopDragging(CMouse &rMouse, int32_t iX, int32_t iY, DWORD dwKeyParam)
{
// move element pos
DoDragging(rMouse, iX, iY, dwKeyParam);
}
Dialog *Element::GetDlg () { if (pParent) return pParent->GetDlg (); return nullptr; }
Screen *Element::GetScreen() { if (pParent) return pParent->GetScreen(); return nullptr; }
void Element::Draw3DFrame(C4TargetFacet &cgo, bool fUp, int32_t iIndent, BYTE byAlpha, bool fDrawTop, int32_t iTopOff, bool fDrawLeft, int32_t iLeftOff)
{
DWORD dwAlpha = byAlpha<<24;
int32_t x0 = cgo.TargetX + rcBounds.x + iLeftOff,
y0 = cgo.TargetY + rcBounds.y + iTopOff,
x1 = cgo.TargetX + rcBounds.x + rcBounds.Wdt - 1,
y1 = cgo.TargetY + rcBounds.y + rcBounds.Hgt - 1;
if (fDrawTop) pDraw->DrawLineDw(cgo.Surface, (float)x0,(float)y0,(float)x1,(float)y0, C4GUI_BorderColor1 | dwAlpha);
if (fDrawLeft) pDraw->DrawLineDw(cgo.Surface, (float)x0,(float)y0,(float)x0,(float)y1, C4GUI_BorderColor1 | dwAlpha);
if (fDrawTop) pDraw->DrawLineDw(cgo.Surface, (float)(x0+1),(float)(y0+1),(float)(x1-1),(float)(y0+1), C4GUI_BorderColor2 | dwAlpha);
if (fDrawLeft) pDraw->DrawLineDw(cgo.Surface, (float)(x0+1),(float)(y0+1),(float)(x0+1),(float)(y1-1), C4GUI_BorderColor2 | dwAlpha);
pDraw->DrawLineDw(cgo.Surface, (float)x0,(float)y1,(float)x1,(float)y1, C4GUI_BorderColor3 | dwAlpha);
pDraw->DrawLineDw(cgo.Surface, (float)x1,(float)y0,(float)x1,(float)y1, C4GUI_BorderColor3 | dwAlpha);
pDraw->DrawLineDw(cgo.Surface, (float)(x0+1),(float)(y1-1),(float)(x1-1),(float)(y1-1), C4GUI_BorderColor1 | dwAlpha);
pDraw->DrawLineDw(cgo.Surface, (float)(x1-1),(float)(y0+1),(float)(x1-1),(float)(y1-1), C4GUI_BorderColor1 | dwAlpha);
}
void Element::DrawBar(C4TargetFacet &cgo, DynBarFacet &rFacets)
{
if (rcBounds.Hgt == rFacets.fctMiddle.Hgt)
{
// exact bar
int32_t x0=cgo.TargetX+rcBounds.x, y0=cgo.TargetY+rcBounds.y;
int32_t iX = rFacets.fctBegin.Wdt, w=rFacets.fctMiddle.Wdt, wLeft=rFacets.fctBegin.Wdt, wRight=rFacets.fctEnd.Wdt;
int32_t iRightShowLength = wRight/3;
bool fOverflow = (wLeft > rcBounds.Wdt);
if (fOverflow) rFacets.fctBegin.Wdt = rcBounds.Wdt;
rFacets.fctBegin.Draw(cgo.Surface, x0,y0);
if (fOverflow) rFacets.fctBegin.Wdt = wLeft;
while (iX < rcBounds.Wdt-iRightShowLength)
{
int32_t w2=std::min(w, rcBounds.Wdt-iRightShowLength-iX); rFacets.fctMiddle.Wdt=w2;
rFacets.fctMiddle.Draw(cgo.Surface, x0+iX, y0);
iX += w;
}
rFacets.fctMiddle.Wdt=w;
fOverflow = (wRight > rcBounds.Wdt);
if (fOverflow)
{
rFacets.fctEnd.X += wRight - rcBounds.Wdt;
rFacets.fctEnd.Wdt = rcBounds.Wdt;
}
rFacets.fctEnd.Draw(cgo.Surface, x0+rcBounds.Wdt-rFacets.fctEnd.Wdt, y0);
if (fOverflow)
{
rFacets.fctEnd.X -= wRight - rcBounds.Wdt;
rFacets.fctEnd.Wdt = wRight;
}
}
else
{
// zoomed bar
float fZoom = (float) rcBounds.Hgt / rFacets.fctMiddle.Hgt;
int32_t x0=cgo.TargetX+rcBounds.x, y0=cgo.TargetY+rcBounds.y;
int32_t iX = int32_t(fZoom*rFacets.fctBegin.Wdt), w=int32_t(fZoom*rFacets.fctMiddle.Wdt), wOld=rFacets.fctMiddle.Wdt;
int32_t iRightShowLength = rFacets.fctEnd.Wdt/3;
rFacets.fctBegin.DrawX(cgo.Surface, x0,y0,int32_t(fZoom*rFacets.fctBegin.Wdt),rcBounds.Hgt);
while (iX < rcBounds.Wdt-(fZoom*iRightShowLength))
{
int32_t w2=std::min<int32_t>(w, rcBounds.Wdt-int32_t(fZoom*iRightShowLength)-iX); rFacets.fctMiddle.Wdt=long(float(w2)/fZoom);
rFacets.fctMiddle.DrawX(cgo.Surface, x0+iX, y0, w2,rcBounds.Hgt);
iX += w;
}
rFacets.fctMiddle.Wdt=wOld;
rFacets.fctEnd.DrawX(cgo.Surface, x0+rcBounds.Wdt-int32_t(fZoom*rFacets.fctEnd.Wdt), y0,int32_t(fZoom*rFacets.fctEnd.Wdt),rcBounds.Hgt);
}
}
void Element::DrawVBar(C4TargetFacet &cgo, DynBarFacet &rFacets)
{
C4DrawTransform trf(1);
DrawHVBar(cgo, rFacets, trf, rcBounds.Hgt);
}
void Element::DrawHBarByVGfx(C4TargetFacet &cgo, DynBarFacet &rFacets)
{
C4DrawTransform trf;
float fOffX = cgo.TargetX + rcBounds.x + rcBounds.Hgt/2;
float fOffY = cgo.TargetY + rcBounds.y + rcBounds.Hgt/2;
trf.SetRotate(-90.0f, fOffX, fOffY);
DrawHVBar(cgo, rFacets, trf, rcBounds.Wdt);
}
void Element::DrawHVBar(C4TargetFacet &cgo, DynBarFacet &rFacets, C4DrawTransform &trf, int32_t iMiddleLength)
{
int32_t y0 = cgo.TargetY + rcBounds.y;
int32_t x0 = cgo.TargetX + rcBounds.x;
// draw up arrow
rFacets.fctBegin.DrawT(cgo.Surface, x0, y0, 0, 0, &trf);
// draw middle part
int32_t h = rFacets.fctMiddle.Hgt;
int32_t barHeight = iMiddleLength - (rFacets.fctBegin.Hgt + rFacets.fctEnd.Hgt);
for (int32_t iY = 0; iY <= barHeight; iY += h)
{
int32_t h2 = std::min(h, barHeight - iY);
rFacets.fctMiddle.Hgt = h2;
rFacets.fctMiddle.DrawT(cgo.Surface, x0, y0 + rFacets.fctBegin.Hgt + iY, 0, 0, &trf);
}
rFacets.fctMiddle.Hgt = h;
// draw lower arrow
rFacets.fctEnd.DrawT(cgo.Surface, x0, y0 + iMiddleLength - rFacets.fctEnd.Hgt, 0, 0, &trf);
}
C4Rect Element::GetToprightCornerRect(int32_t iWidth, int32_t iHeight, int32_t iHIndent, int32_t iVIndent, int32_t iIndexX)
{
// bounds by topright corner of element
C4Rect rtBounds = (GetContainer() != this) ? GetClientRect() : GetContainedClientRect();
rtBounds.x += rtBounds.Wdt - (iWidth + iHIndent) * (iIndexX + 1);
rtBounds.y += iVIndent;
rtBounds.Wdt = rtBounds.Hgt = iHeight;
return rtBounds;
}
void Element::SetToolTip(const char *szNewTooltip, bool is_immediate)
{
// store tooltip
if (szNewTooltip) ToolTip.Copy(szNewTooltip); else ToolTip.Clear();
// store immediate flag
is_immediate_tooltip = is_immediate;
}
bool Element::DoContext()
{
if (!pContextHandler) return false;
return pContextHandler->OnContext(this, rcBounds.Wdt/2, rcBounds.Hgt/2);
}
const char *Element::GetToolTip()
{
// fallback to parent tooltip, if own is not assigned
return (!pParent || !ToolTip.isNull()) ? ToolTip.getData() : pParent->GetToolTip();
}
ContextHandler *Element::GetContextHandler()
{
// fallback to parent context, if own is not assigned
return (!pParent || pContextHandler) ? pContextHandler : pParent->GetContextHandler();
}
bool Element::IsInActiveDlg(bool fForKeyboard)
{
// get dlg
Dialog *pDlg=GetDlg();
if (!pDlg) return false;
// check if dlg is active
return pDlg->IsActive(fForKeyboard);
}
// --------------------------------------------------
// CMouse
CMouse::CMouse(int32_t iX, int32_t iY) : fActive(true), fActiveInput(false)
{
// set pos
x=iX; y=iY;
// reset fields
LDown=MDown=RDown=false;
dwKeys=0;
pMouseOverElement = pPrevMouseOverElement = nullptr;
pDragElement = nullptr;
ResetToolTipTime();
// LDownX/Y initialized upon need
}
CMouse::~CMouse()
{
}
void CMouse::Input(int32_t iButton, int32_t iX, int32_t iY, DWORD dwKeyParam)
{
// pos changed or click issued?
if (iButton || iX!=x || iY!=y)
{
// then hide tooltips for a while
ResetToolTipTime();
// and mark as active input device
fActiveInput = true;
}
// copy fields
x=iX; y=iY; dwKeys=dwKeyParam;
// update buttons
switch (iButton)
{
case C4MC_Button_LeftDown: LDown=true; LDownX=x; LDownY=y; break;
case C4MC_Button_LeftUp: LDown=false; break;
case C4MC_Button_RightDown: RDown=true; break;
case C4MC_Button_RightUp: RDown=false; break;
}
}
void CMouse::Draw(C4TargetFacet &cgo, TooltipShowState draw_tool_tips)
{
// only if owned
if (!fActive) return;
// Make sure to draw the cursor without zoom.
ZoomData GuiZoom;
pDraw->GetZoom(&GuiZoom);
const float oldZoom = GuiZoom.Zoom;
GuiZoom.Zoom = 1.0;
pDraw->SetZoom(GuiZoom);
int32_t iOffsetX = -GfxR->fctMouseCursor.Wdt/2;
int32_t iOffsetY = -GfxR->fctMouseCursor.Hgt/2;
GfxR->fctMouseCursor.Draw(cgo.Surface,x+iOffsetX,y+iOffsetY,0);
// ToolTip
if (pMouseOverElement && draw_tool_tips != TTST_None)
{
if (draw_tool_tips == TTST_All || pMouseOverElement->IsImmediateToolTip())
{
const char *szTip = pMouseOverElement->GetToolTip();
if (szTip && *szTip)
{
C4TargetFacet cgoTip; cgoTip.Set(cgo.Surface, cgo.X, cgo.Y, cgo.Wdt, cgo.Hgt);
Screen::DrawToolTip(szTip, cgoTip, x, y);
}
}
}
// And restore old zoom settings.
GuiZoom.Zoom = oldZoom;
pDraw->SetZoom(GuiZoom);
}
void CMouse::ReleaseElements()
{
// release MouseOver
if (pMouseOverElement) pMouseOverElement->MouseLeave(*this);
// release drag
if (pDragElement)
{
int32_t iX, iY; DWORD dwKeys;
GetLastXY(iX, iY, dwKeys);
pDragElement->ScreenPos2ClientPos(iX, iY);
pDragElement->StopDragging(*this, iX, iY, dwKeys);
}
pPrevMouseOverElement = pMouseOverElement = pDragElement = nullptr;
}
void CMouse::RemoveElement(Element *pChild)
{
// clear ptr
if (pMouseOverElement == pChild)
{
pMouseOverElement->MouseLeave(*this); // do leave callback so any tooltip is cleared!
pMouseOverElement = nullptr;
}
if (pPrevMouseOverElement == pChild) pPrevMouseOverElement = nullptr;
if (pDragElement == pChild) pDragElement = nullptr;
}
void CMouse::OnElementGetsInvisible(Element *pChild)
{
// clear ptr
RemoveElement(pChild);
}
// --------------------------------------------------
// Screen
void Screen::RemoveElement(Element *pChild)
{
// inherited
Window::RemoveElement(pChild);
// clear ptrs
if (pActiveDlg == pChild) { pActiveDlg = nullptr; Mouse.ResetElements(); }
Mouse.RemoveElement(pChild);
if (pContext)
{
if (pContext == pChild) pContext=nullptr;
else pContext->RemoveElement(pChild);
}
}
Screen::Screen() : Window(), Mouse(0, 0), pContext(nullptr), fExclusive(true), fZoom(1.0f)
{
// no dialog active
pActiveDlg = nullptr;
// set static var
pScreen = this;
}
void Screen::Init(int32_t tx, int32_t ty, int32_t twdt, int32_t thgt)
{
Mouse.x = tx+twdt/2;
Mouse.y = ty+thgt/2;
fZoom = 1.0f;
// set size - calcs client area as well
SetBounds(C4Rect(tx,ty,twdt,thgt));
SetPreferredDlgRect(C4Rect(0,0,twdt,thgt));
}
void Screen::Clear()
{
Container::Clear();
// dtor: Close context menu
AbortContext(false);
// fields reset
fExclusive = true;
fZoom = 1.0f;
}
Screen::~Screen()
{
// clear singleton
if (this == pScreen) pScreen = nullptr;
}
void Screen::ElementPosChanged(Element *pOfElement)
{
// redraw fullscreen BG if dlgs are dragged around in shared mode
if (!IsExclusive())
::GraphicsSystem.InvalidateBg();
}
void Screen::ShowDialog(Dialog *pDlg, bool fFade)
{
assert(pDlg);
// do place console mode dialogs
if (!Application.isEditor || pDlg->IsViewportDialog())
// exclusive or free dlg: center pos
// evaluate own placement proc first
if (!pDlg->DoPlacement(this, PreferredDlgRect))
{
if (pDlg->IsFreePlaceDialog())
pDlg->SetPos((GetWidth() - pDlg->GetWidth()) / 2, (GetHeight() - pDlg->GetHeight()) / 2 + pDlg->IsBottomPlacementDialog()*GetHeight()/3);
else if (IsExclusive())
pDlg->SetPos((GetWidth() - pDlg->GetWidth()) / 2, (GetHeight() - pDlg->GetHeight()) / 2);
else
// non-exclusive mode at preferred viewport pos
pDlg->SetPos(PreferredDlgRect.x+30, PreferredDlgRect.y+30);
}
// add to local component list at correct ordering
int32_t iNewZ = pDlg->GetZOrdering(); Element *pEl; Dialog *pOtherDlg;
for (pEl = GetFirst(); pEl; pEl = pEl->GetNext())
if ((pOtherDlg = pEl->GetDlg()))
if (pOtherDlg->GetZOrdering() > iNewZ)
break;
InsertElement(pDlg, pEl);
// set as active, if not fading and on top
if (!fFade && !pEl)
// but not viewport dialogs!
if (!pDlg->IsExternalDrawDialog())
pActiveDlg = pDlg;
// show it
pDlg->fOK = false;
pDlg->fShow = true;
// mouse focus might have changed
UpdateMouseFocus();
}
void Screen::ActivateDialog(Dialog *pDlg)
{
// no change?
if (pActiveDlg == pDlg) return;
// in single-mode: release any MouseOver/Drag of previous dlg
if (IsExclusive())
Mouse.ReleaseElements();
// close any context menu
AbortContext(false);
// set as active dlg
pActiveDlg = pDlg;
// ensure it's last in the list, if it's not a specially ordered dlg
if (!pDlg->GetZOrdering() && pDlg->GetNext())
MakeLastElement(pDlg);
}
void Screen::CloseDialog(Dialog *pDlg, bool fFade)
{
// hide dlg
if (!fFade) pDlg->fShow = false;
// kill from active
if (pActiveDlg == pDlg)
{
// release any MouseOver/Drag of previous dlg
Mouse.ReleaseElements();
// close context menu: probably belonging to closed dlg anyway
AbortContext(false);
// set new active dlg
pActiveDlg = GetTopDialog();
// do not set yet if it's fading
if (pActiveDlg && pActiveDlg->IsFading()) pActiveDlg = nullptr;
}
// redraw background; clip update
::GraphicsSystem.InvalidateBg(); UpdateMouseFocus();
}
void Screen::RecheckActiveDialog()
{
Dialog *pNewTop = GetTopDialog();
if (pActiveDlg == pNewTop) return;
Mouse.ReleaseElements();
// do not set yet if it's fading
if (pActiveDlg && pActiveDlg->IsFading()) pActiveDlg = nullptr;
}
Dialog *Screen::GetTopDialog()
{
// search backwards in component list
Dialog *pDlg;
for (Element *pEl = pLast; pEl; pEl = pEl->GetPrev())
if ((pDlg = pEl->GetDlg()))
if (pDlg->IsShown())
return pDlg;
// no dlg found
return nullptr;
}
void Screen::CloseAllDialogs(bool fWithOK)
{
while (pActiveDlg) pActiveDlg->Close(fWithOK);
}
#ifdef USE_WIN32_WINDOWS
Dialog *Screen::GetDialog(HWND hWindow)
{
// get dialog with matching handle
Dialog *pDlg;
for (Element *pEl = pLast; pEl; pEl = pEl->GetPrev())
if ((pDlg = pEl->GetDlg()))
if (pDlg->pWindow && pDlg->pWindow->hWindow == hWindow)
return pDlg;
return nullptr;
}
#endif
Dialog *Screen::GetDialog(C4Window * pWindow)
{
// get dialog with matching window
Dialog *pDlg;
for (Element *pEl = pLast; pEl; pEl = pEl->GetPrev())
if ( (pDlg = pEl->GetDlg()) != nullptr)
if (pDlg->pWindow == pWindow)
return pDlg;
return nullptr;
}
void Screen::Render(bool fDoBG)
{
// get output cgo
C4TargetFacet cgo;
cgo.Set(FullScreen.pSurface, rcBounds);
// draw to it
Draw(cgo, fDoBG);
}
void Screen::RenderMouse(C4TargetFacet &cgo)
{
// draw mouse cursor
// All tool tips hidden during keyboard input. Immediate tooltips hidden if mouse was moving recently.
Mouse.Draw(cgo, Mouse.IsActiveInput() ? Mouse.IsMouseStill() ? CMouse::TTST_All : CMouse::TTST_Immediate : CMouse::TTST_None);
}
void Screen::Draw(C4TargetFacet &cgo, bool fDoBG)
{
// draw bg, if this won't be done by a fullscreen dialog
if (fDoBG)
{
Dialog *pFSDlg = GetFullscreenDialog(false);
if (!pFSDlg || !pFSDlg->HasBackground())
{
if (::GraphicsSystem.pLoaderScreen)
::GraphicsSystem.pLoaderScreen->fctBackground.DrawFullScreen(cgo);
else
// loader not yet loaded: black BG
pDraw->DrawBoxDw(cgo.Surface, 0,0, cgo.Wdt+1, cgo.Hgt+1, 0x00000000);
}
}
// draw contents (if GUI-gfx are loaded, which is assumed in GUI-drawing-functions)
if (IsVisible() && ::GraphicsResource.IsInitialized())
{
Window::Draw(cgo);
if (pContext) pContext->Draw(cgo);
}
// draw mouse cursor
if (!Application.isEditor) RenderMouse(cgo);
}
bool Screen::KeyAny()
{
// mark keystroke in mouse
Mouse.ResetActiveInput();
// key not yet processed
return false;
}
bool Screen::CharIn(const char * c)
{
// Special: Tab chars are ignored, because they are always handled as focus advance
if (c[0] == 0x09) return false;
// mark in mouse
Mouse.ResetActiveInput();
// no processing if focus is not set
if (!HasKeyboardFocus()) return false;
// always return true in exclusive mode (which means: key processed)
bool fResult = IsExclusive();
// context menu: forward to context
if (pContext) return pContext->CharIn(c) || fResult;
// no active dlg?
if (!pActiveDlg || !pActiveDlg->IsVisible()) return fResult;
// forward to dialog
return pActiveDlg->CharIn(c) || fResult;
}
void Screen::MouseMove(int32_t iButton, int32_t iX, int32_t iY, DWORD dwKeyParam, class C4Viewport *pVP)
{
// Special: Pass to MouseControl if dragging and button is not upped
if (IsActive() && !::MouseControl.IsDragging())
{
bool fResult = MouseInput(iButton, iX, iY, dwKeyParam, nullptr, pVP);
if (HasMouseFocus()) { SetMouseInGUI(true, true); return; }
// non-exclusive GUI: inform mouse-control about GUI-result
SetMouseInGUI(fResult, true);
// abort if GUI processed it
if (fResult) return;
}
else
// no GUI: mouse is not in GUI
SetMouseInGUI(false, true);
// mouse control enabled?
if (!::MouseControl.IsActive())
{
// enable mouse in GUI, if a mouse-only-dlg is displayed
if (GetMouseControlledDialogCount())
SetMouseInGUI(true, true);
return;
}
// Pass on to mouse controlled viewport
::Viewports.MouseMoveToViewport(iButton, iX, iY, dwKeyParam);
}
void Screen::SetMouseInGUI(bool fInGUI, bool fByMouse)
{
// inform mouse control and GUI
Mouse.SetOwnedMouse(fInGUI);
// initial movement to ensure mouse control pos is correct
if (!::MouseControl.IsMouseOwned() && !fInGUI && !fByMouse)
{
::MouseControl.SetOwnedMouse(true);
::Viewports.MouseMoveToViewport(C4MC_Button_None, int32_t(::pGUI->Mouse.x*C4GUI::GetZoom()), int32_t(::pGUI->Mouse.y*C4GUI::GetZoom()), ::pGUI->Mouse.dwKeys);
}
::MouseControl.SetOwnedMouse(!fInGUI);
}
bool Screen::MouseInput(int32_t iButton, int32_t iPxX, int32_t iPxY, DWORD dwKeyParam, Dialog *pForDlg, class C4Viewport *pForVP)
{
// convert from screen pixel coordinates to GUI coordinates
float fZoom = pForDlg ? 1.0f : GetZoom(); // Developer mode dialogs are currently drawn unzoomed
float fX = float(iPxX) / fZoom;
float fY = float(iPxY) / fZoom;
// forward to mouse
Mouse.Input(iButton, fX, fY, dwKeyParam);
// dragging
if (Mouse.pDragElement)
{
int32_t iX2=fX, iY2=fY;
Mouse.pDragElement->ScreenPos2ClientPos(iX2, iY2);
if (!Mouse.IsLDown())
{
// stop dragging
Mouse.pDragElement->StopDragging(Mouse, iX2, iY2, dwKeyParam);
Mouse.pDragElement = nullptr;
}
else
{
// continue dragging
Mouse.pDragElement->DoDragging(Mouse, iX2, iY2, dwKeyParam);
}
}
// backup previous MouseOver-element
Mouse.pPrevMouseOverElement = Mouse.pMouseOverElement;
Mouse.pMouseOverElement = nullptr;
bool fProcessed = false;
// active context menu?
if (!pForVP && pContext && pContext->CtxMouseInput(Mouse, iButton, fX, fY, dwKeyParam))
{
// processed by context menu: OK!
}
// otherwise: active dlg and inside screen? (or direct forward to specific dlg/viewport dlg)
else if (rcBounds.Contains(fX, fY) || pForDlg || pForVP)
{
// context menu open but mouse down command issued? close context then
if (pContext && (iButton == C4MC_Button_LeftDown || iButton == C4MC_Button_RightDown))
AbortContext(true);
// get client pos
if (!pForDlg && !pForVP)
{
C4Rect &rcClientArea = GetClientRect();
fX -= rcClientArea.x; fY -= rcClientArea.y;
}
// exclusive mode: process active dialog only
if (IsExclusive() && !pForDlg && !pForVP)
{
if (pActiveDlg && pActiveDlg->IsVisible() && !pActiveDlg->IsFading())
{
// bounds check to dlg: only if not dragging
C4Rect &rcDlgBounds = pActiveDlg->GetBounds();
if (Mouse.IsLDown() || rcDlgBounds.Contains(fX, fY))
// forward to active dialog
pActiveDlg->MouseInput(Mouse, iButton, fX - rcDlgBounds.x, fY - rcDlgBounds.y, dwKeyParam);
else
Mouse.pMouseOverElement = nullptr;
}
else
// outside dialog: own handling (for screen context menu)
Window::MouseInput(Mouse, iButton, fX, fY, dwKeyParam);
}
else
{
// non-exclusive mode: process all dialogs; make them active on left-click
Dialog *pDlg;
for (Element *pEl = pLast; pEl; pEl = pEl->GetPrev())
if ((pDlg = pEl->GetDlg()))
if (pDlg->IsShown())
{
// if specified: process specified dlg only
if (pForDlg && pDlg != pForDlg) continue;
// if specified: process specified viewport only
bool fIsExternalDrawDialog = pDlg->IsExternalDrawDialog();
C4Viewport *pVP = fIsExternalDrawDialog ? pDlg->GetViewport() : nullptr;
if (pForVP && pForVP != pVP) continue;
// calc offset
C4Rect &rcDlgBounds = pDlg->GetBounds();
int32_t iOffX=0, iOffY=0;
// special handling for viewport dialogs
if (fIsExternalDrawDialog)
{
// ignore external drawing dialogs without a viepwort assigned
if (!pVP) continue;
// always clip to viewport bounds
C4Rect rcOut(pVP->GetOutputRect());
if (!rcOut.Contains(fX + rcBounds.x, fY + rcBounds.y)) continue;
// viewport dialogs: Offset determined by viewport position
iOffX = rcOut.x; iOffY = rcOut.y;
}
// hit test; or special: dragging possible outside active dialog
if (rcDlgBounds.Contains(fX-iOffX, fY-iOffY) || (pDlg == pActiveDlg && Mouse.pDragElement && Mouse.pDragElement->GetDlg() == pDlg))
{
// Okay; do input
pDlg->MouseInput(Mouse, iButton, fX - rcDlgBounds.x - iOffX, fY - rcDlgBounds.y - iOffY, dwKeyParam);
// CAUTION: pDlg may be invalid now!
// set processed-flag manually
fProcessed = true;
// inactive dialogs get activated by clicks
if (Mouse.IsLDown() && pDlg != pActiveDlg)
// but not viewport dialogs!
if (!pDlg->IsExternalDrawDialog())
ActivateDialog(pDlg);
// one dlg only; break loop here
break;
}
}
}
}
// check if MouseOver has changed
if (Mouse.pPrevMouseOverElement != Mouse.pMouseOverElement)
{
// send events
if (Mouse.pPrevMouseOverElement) Mouse.pPrevMouseOverElement->MouseLeave(Mouse);
if (Mouse.pMouseOverElement) Mouse.pMouseOverElement->MouseEnter(Mouse);
}
// return whether anything processed it
return fProcessed || Mouse.pDragElement || (Mouse.pMouseOverElement && Mouse.pMouseOverElement!=this) || pContext;
}
bool Screen::RecheckMouseInput()
{
return MouseInput(C4MC_Button_None, Mouse.x, Mouse.y, Mouse.dwKeys, nullptr, nullptr);
}
void Screen::UpdateMouseFocus()
{
// when exclusive mode has changed: Make sure mouse clip is correct
::MouseControl.UpdateClip();
}
void Screen::DoContext(ContextMenu *pNewCtx, Element *pAtElement, int32_t iX, int32_t iY)
{
assert(pNewCtx); assert(pNewCtx != pContext);
// close previous context menu
AbortContext(false);
// element offset
if (pAtElement) pAtElement->ClientPos2ScreenPos(iX, iY);
// usually open bottom right
// check bottom bounds
if (iY + pNewCtx->GetBounds().Hgt >= GetBounds().Hgt)
{
// bottom too narrow: open to top, if height is sufficient
// otherwise, open to top from bottom screen pos
if (iY < pNewCtx->GetBounds().Hgt) iY = GetBounds().Hgt;
iY -= pNewCtx->GetBounds().Hgt;
}
// check right bounds likewise
if (iX + pNewCtx->GetBounds().Wdt >= GetBounds().Wdt)
{
// bottom too narrow: open to top, if height is sufficient
// otherwise, open to top from bottom screen pos
if (iX < pNewCtx->GetBounds().Wdt) iX = GetBounds().Wdt;
iX -= pNewCtx->GetBounds().Wdt;
}
// open new
(pContext = pNewCtx)->Open(pAtElement, iX, iY);
}
int32_t Screen::GetMouseControlledDialogCount()
{
Dialog *pDlg; int32_t iResult=0;
for (Element *pEl = GetFirst(); pEl; pEl = pEl->GetNext())
if ((pDlg = pEl->GetDlg()))
if (pDlg->IsShown() && pDlg->IsMouseControlled())
++iResult;
return iResult;
}
void Screen::DrawToolTip(const char *szTip, C4TargetFacet &cgo, float x, float y)
{
CStdFont *pUseFont = &(::GraphicsResource.TooltipFont);
StdStrBuf sText;
pUseFont->BreakMessage(szTip, std::min<int32_t>(C4GUI_MaxToolTipWdt, std::max<int32_t>(cgo.Wdt, 50)), &sText, true);
// get tooltip rect
int32_t tWdt,tHgt;
if (pUseFont->GetTextExtent(sText.getData(), tWdt, tHgt, true))
{
tWdt+=6; tHgt+=4;
int32_t tX, tY;
if (y < cgo.Y+cgo.TargetY+tHgt+5) tY = std::min<int32_t>(y+5, cgo.TargetY+cgo.Hgt-tHgt); else tY = y-tHgt-5;
tX = Clamp<int32_t>(x-tWdt/2, cgo.TargetX+cgo.X, cgo.TargetX+cgo.Wdt-tWdt);
// draw tooltip box
pDraw->DrawBoxDw(cgo.Surface, tX,tY,tX+tWdt-1,tY+tHgt-2, C4GUI_ToolTipBGColor);
pDraw->DrawFrameDw(cgo.Surface, tX,tY,tX+tWdt-1,tY+tHgt-1, C4GUI_ToolTipFrameColor);
// draw tooltip
pDraw->TextOut(sText.getData(), *pUseFont, 1.0f, cgo.Surface, tX+3,tY+1, C4GUI_ToolTipColor, ALeft);
// while there's a tooltip, redraw the bg, because it might overlap
::GraphicsSystem.InvalidateBg();
}
}
bool Screen::HasFullscreenDialog(bool fIncludeFading)
{
return !!GetFullscreenDialog(fIncludeFading);
}
Dialog *Screen::GetFullscreenDialog(bool fIncludeFading)
{
Dialog *pDlg;
for (Element *pEl = GetFirst(); pEl; pEl = pEl->GetNext())
if ((pDlg = pEl->GetDlg()))
if (pDlg->IsVisible())
if (pDlg->IsFullscreenDialog())
if (fIncludeFading || !pDlg->IsFading())
return pDlg;
return nullptr;
}
void Screen::UpdateGamepadGUIControlEnabled()
{
// Gamepad is always kept open now.
}
Screen TheScreen;
// --------------------------------------------------
// ComponentAligner
bool ComponentAligner::GetFromTop(int32_t iHgt, int32_t iWdt, C4Rect &rcOut)
{
rcOut.x = rcClientArea.x + iMarginX;
rcOut.y = rcClientArea.y + iMarginY;
rcOut.Wdt = rcClientArea.Wdt - iMarginX * 2;
rcOut.Hgt = iHgt;
int32_t d = iHgt + iMarginY * 2;
rcClientArea.y += d; rcClientArea.Hgt -= d;
// get centered in width as specified
if (iWdt >= 0)
{
rcOut.x += (rcOut.Wdt - iWdt) / 2;
rcOut.Wdt = iWdt;
}
return rcClientArea.Hgt >= 0;
}
bool ComponentAligner::GetFromLeft(int32_t iWdt, int32_t iHgt, C4Rect &rcOut)
{
rcOut.x = rcClientArea.x + iMarginX;
rcOut.y = rcClientArea.y + iMarginY;
rcOut.Wdt = iWdt;
rcOut.Hgt = rcClientArea.Hgt - iMarginY * 2;
int32_t d = iWdt + iMarginX * 2;
rcClientArea.x += d; rcClientArea.Wdt -= d;
// get centered in height as specified
if (iHgt >= 0)
{
rcOut.y += (rcOut.Hgt - iHgt) / 2;
rcOut.Hgt = iHgt;
}
return rcClientArea.Wdt >= 0;
}
bool ComponentAligner::GetFromRight(int32_t iWdt, int32_t iHgt, C4Rect &rcOut)
{
rcOut.x = rcClientArea.x + rcClientArea.Wdt - iWdt - iMarginX;
rcOut.y = rcClientArea.y + iMarginY;
rcOut.Wdt = iWdt;
rcOut.Hgt = rcClientArea.Hgt - iMarginY * 2;
rcClientArea.Wdt -= iWdt + iMarginX * 2;
// get centered in height as specified
if (iHgt >= 0)
{
rcOut.y += (rcOut.Hgt - iHgt) / 2;
rcOut.Hgt = iHgt;
}
return rcClientArea.Wdt >= 0;
}
bool ComponentAligner::GetFromBottom(int32_t iHgt, int32_t iWdt, C4Rect &rcOut)
{
rcOut.x = rcClientArea.x + iMarginX;
rcOut.y = rcClientArea.y + rcClientArea.Hgt - iHgt - iMarginY;
rcOut.Wdt = rcClientArea.Wdt - iMarginX * 2;
rcOut.Hgt = iHgt;
rcClientArea.Hgt -= iHgt + iMarginY * 2;
// get centered in width as specified
if (iWdt >= 0)
{
rcOut.x += (rcOut.Wdt - iWdt) / 2;
rcOut.Wdt = iWdt;
}
return rcClientArea.Hgt >= 0;
}
void ComponentAligner::GetAll(C4Rect &rcOut)
{
rcOut.x = rcClientArea.x + iMarginX;
rcOut.y = rcClientArea.y + iMarginY;
rcOut.Wdt = rcClientArea.Wdt - iMarginX * 2;
rcOut.Hgt = rcClientArea.Hgt - iMarginY * 2;
}
bool ComponentAligner::GetCentered(int32_t iWdt, int32_t iHgt, C4Rect &rcOut)
{
rcOut.x = rcClientArea.GetMiddleX() - iWdt/2;
rcOut.y = rcClientArea.GetMiddleY() - iHgt/2;
rcOut.Wdt = iWdt;
rcOut.Hgt = iHgt;
// range check
return rcOut.Wdt+iMarginX*2 <= rcClientArea.Wdt && rcOut.Hgt+iMarginY*2 <= rcClientArea.Hgt;
}
void ComponentAligner::LogIt(const char *szName)
{
LogF("ComponentAligner %s: (%d,%d)+(%d,%d), Margin (%d,%d)", szName, rcClientArea.x, rcClientArea.y, rcClientArea.Wdt, rcClientArea.Hgt, iMarginX, iMarginY);
}
C4Rect &ComponentAligner::GetGridCell(int32_t iSectX, int32_t iSectXMax, int32_t iSectY, int32_t iSectYMax, int32_t iSectSizeX, int32_t iSectSizeY, bool fCenterPos, int32_t iSectNumX, int32_t iSectNumY)
{
int32_t iSectSizeXO = iSectSizeX, iSectSizeYO = iSectSizeY;
int32_t iSectSizeXMax = (rcClientArea.Wdt-iMarginX) / iSectXMax - iMarginX;
int32_t iSectSizeYMax = (rcClientArea.Hgt-iMarginY) / iSectYMax - iMarginY;
if (iSectSizeX<0 || fCenterPos) iSectSizeX=iSectSizeXMax; else iSectSizeX=std::min<int32_t>(iSectSizeX, iSectSizeXMax);
if (iSectSizeY<0 || fCenterPos) iSectSizeY=iSectSizeYMax; else iSectSizeY=std::min<int32_t>(iSectSizeY, iSectSizeYMax);
rcTemp.x = iSectX * (iSectSizeX+iMarginX) + iMarginX + rcClientArea.x;
rcTemp.y = iSectY * (iSectSizeY+iMarginY) + iMarginY + rcClientArea.y;
rcTemp.Wdt = iSectSizeX * iSectNumX + iMarginX*(iSectNumX-1); rcTemp.Hgt = iSectSizeY * iSectNumY + iMarginY*(iSectNumY-1);
if (iSectSizeXO>=0 && fCenterPos)
{
rcTemp.x += (iSectSizeX - iSectSizeXO)/2;
rcTemp.Wdt = iSectSizeXO;
}
if (iSectSizeYO>=0 && fCenterPos)
{
rcTemp.y += (iSectSizeY - iSectSizeYO)/2;
rcTemp.Hgt = iSectSizeYO;
}
return rcTemp;
}
// --------------------------------------------------
// Global stuff
void GUISound(const char *szSound)
{
if (Config.Sound.FESamples)
StartSoundEffect(szSound);
}
// --------------------------------------------------
// Static vars
C4Rect ComponentAligner::rcTemp;
Screen *Screen::pScreen;
} // end of namespace
C4GUIScreen *pGUI = &C4GUI::TheScreen;
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