internal int FocusIdxTabRequestNext; // "
internal ImGuiWindow(string name)
{
DC = new ImGuiDrawContext();
IDStack = new ImVector <uint>();
StateStorage = new ImGuiStorage();
MenuColumns = new ImGuiSimpleColumns();
DrawList = new ImDrawList();
Name = name;
ID = ImGui.Hash(0, name);
IDStack.push_back(ID);
MoveID = GetID("#MOVE");
Flags = 0;
PosFloat = Pos = new ImVec2(0.0f, 0.0f);
Size = SizeFull = new ImVec2(0.0f, 0.0f);
SizeContents = SizeContentsExplicit = new ImVec2(0.0f, 0.0f);
WindowPadding = new ImVec2(0.0f, 0.0f);
Scroll = new ImVec2(0.0f, 0.0f);
ScrollTarget = new ImVec2(float.MaxValue, float.MaxValue);
ScrollTargetCenterRatio = new ImVec2(0.5f, 0.5f);
ScrollbarX = ScrollbarY = false;
ScrollbarSizes = new ImVec2(0.0f, 0.0f);
BorderSize = 0.0f;
Active = WasActive = false;
Accessed = false;
Collapsed = false;
SkipItems = false;
BeginCount = 0;
PopupID = 0;
AutoFitFramesX = AutoFitFramesY = -1;
AutoFitOnlyGrows = false;
AutoPosLastDirection = -1;
HiddenFrames = 0;
SetWindowPosAllowFlags = SetWindowSizeAllowFlags = SetWindowCollapsedAllowFlags = (int)(ImGuiSetCond.ImGuiSetCond_Always | ImGuiSetCond.ImGuiSetCond_Once | ImGuiSetCond.ImGuiSetCond_FirstUseEver | ImGuiSetCond.ImGuiSetCond_Appearing);
SetWindowPosCenterWanted = false;
LastFrameActive = -1;
ItemWidthDefault = 0.0f;
FontWindowScale = 1.0f;
RootWindow = null;
RootNonPopupWindow = null;
FocusIdxAllCounter = FocusIdxTabCounter = -1;
FocusIdxAllRequestCurrent = FocusIdxTabRequestCurrent = int.MaxValue;
FocusIdxAllRequestNext = FocusIdxTabRequestNext = int.MaxValue;
}
public static void RenderDrawData(ImDrawData drawData, int displayW, int displayH)
{
// We are using the OpenGL fixed pipeline to make the example code simpler to read!
// Setup render state: alpha-blending enabled, no face culling, no depth testing, scissor enabled, vertex/texcoord/color pointers.
int lastTexture; GL.GetIntegerv(GL.Enum.GL_TEXTURE_BINDING_2D, out lastTexture);
Int4 lastViewport; GL.GetIntegerv4(GL.Enum.GL_VIEWPORT, out lastViewport);
Int4 lastScissorBox; GL.GetIntegerv4(GL.Enum.GL_SCISSOR_BOX, out lastScissorBox);
GL.PushAttrib(GL.Enum.GL_ENABLE_BIT | GL.Enum.GL_COLOR_BUFFER_BIT | GL.Enum.GL_TRANSFORM_BIT);
GL.Enable(GL.Enum.GL_BLEND);
GL.BlendFunc(GL.Enum.GL_SRC_ALPHA, GL.Enum.GL_ONE_MINUS_SRC_ALPHA);
GL.Disable(GL.Enum.GL_CULL_FACE);
GL.Disable(GL.Enum.GL_DEPTH_TEST);
GL.Enable(GL.Enum.GL_SCISSOR_TEST);
GL.EnableClientState(GL.Enum.GL_VERTEX_ARRAY);
GL.EnableClientState(GL.Enum.GL_TEXTURE_COORD_ARRAY);
GL.EnableClientState(GL.Enum.GL_COLOR_ARRAY);
GL.Enable(GL.Enum.GL_TEXTURE_2D);
GL.UseProgram(0);
// Handle cases of screen coordinates != from framebuffer coordinates (e.g. retina displays)
ImGuiIO io = ImGui.GetIO();
ImGui.ScaleClipRects(drawData, io.DisplayFramebufferScale);
// Setup orthographic projection matrix
GL.Viewport(0, 0, displayW, displayH);
GL.MatrixMode(GL.Enum.GL_PROJECTION);
GL.PushMatrix();
GL.LoadIdentity();
GL.Ortho(
0.0f,
io.DisplaySize.X / io.DisplayFramebufferScale.X,
io.DisplaySize.Y / io.DisplayFramebufferScale.Y,
0.0f,
-1.0f,
1.0f
);
GL.MatrixMode(GL.Enum.GL_MODELVIEW);
GL.PushMatrix();
GL.LoadIdentity();
// Render command lists
for (int n = 0; n < drawData.CmdListsCount; n++)
{
ImDrawList cmdList = drawData[n];
ImVector <ImDrawVert> vtxBuffer = cmdList.VtxBuffer;
ImVector <ushort> idxBuffer = cmdList.IdxBuffer;
GL.VertexPointer(2, GL.Enum.GL_FLOAT, ImDrawVert.Size, new IntPtr((long)vtxBuffer.Data + ImDrawVert.PosOffset));
GL.TexCoordPointer(2, GL.Enum.GL_FLOAT, ImDrawVert.Size, new IntPtr((long)vtxBuffer.Data + ImDrawVert.UVOffset));
GL.ColorPointer(4, GL.Enum.GL_UNSIGNED_BYTE, ImDrawVert.Size, new IntPtr((long)vtxBuffer.Data + ImDrawVert.ColOffset));
long idxBufferOffset = 0;
for (int cmdi = 0; cmdi < cmdList.CmdBuffer.Size; cmdi++)
{
ImDrawCmd pcmd = cmdList.CmdBuffer[cmdi];
if (pcmd.UserCallback != IntPtr.Zero)
{
pcmd.InvokeUserCallback(ref cmdList, ref pcmd);
}
else
{
GL.BindTexture(GL.Enum.GL_TEXTURE_2D, (int)pcmd.TextureId);
GL.Scissor(
(int)pcmd.ClipRect.X,
(int)(io.DisplaySize.Y - pcmd.ClipRect.W),
(int)(pcmd.ClipRect.Z - pcmd.ClipRect.X),
(int)(pcmd.ClipRect.W - pcmd.ClipRect.Y)
);
GL.DrawElements(GL.Enum.GL_TRIANGLES, (int)pcmd.ElemCount, GL.Enum.GL_UNSIGNED_SHORT, new IntPtr((long)idxBuffer.Data + idxBufferOffset));
}
idxBufferOffset += pcmd.ElemCount * 2 /*sizeof(ushort)*/;
}
}
// Restore modified state
GL.DisableClientState(GL.Enum.GL_COLOR_ARRAY);
GL.DisableClientState(GL.Enum.GL_TEXTURE_COORD_ARRAY);
GL.DisableClientState(GL.Enum.GL_VERTEX_ARRAY);
GL.BindTexture(GL.Enum.GL_TEXTURE_2D, lastTexture);
GL.MatrixMode(GL.Enum.GL_MODELVIEW);
GL.PopMatrix();
GL.MatrixMode(GL.Enum.GL_PROJECTION);
GL.PopMatrix();
GL.PopAttrib();
GL.Viewport(lastViewport.X, lastViewport.Y, lastViewport.Z, lastViewport.W);
GL.Scissor(lastScissorBox.X, lastScissorBox.Y, lastScissorBox.Z, lastScissorBox.W);
}
internal ImRect RenderText(float size, ImVec2 pos, uint col, ImVec4 clip_rect, char[] text, int text_begin, int text_end, ImDrawList draw_list, float wrap_width = 0.0f, bool cpu_fine_clip = false)
{
if (text_end == -1)
{
text_end = text.Length; // FIXME-OPT: Need to avoid this.
}
// Align to be pixel perfect
pos.x = (int)pos.x + DisplayOffset.x;
pos.y = (int)pos.y + DisplayOffset.y;
float x = pos.x;
float y = pos.y;
if (y > clip_rect.w)
{
return(new ImRect());
}
float scale = size / FontSize;
float line_height = FontSize * scale;
bool word_wrap_enabled = (wrap_width > 0.0f);
int word_wrap_eol = -1;
int vtx_write = draw_list._VtxWritePtr;
int idx_write = draw_list._IdxWritePtr;
uint vtx_current_idx = draw_list._VtxCurrentIdx;
int s = text_begin;
if (!word_wrap_enabled && y + line_height < clip_rect.y)
{
while (s < text_end && text[s] != '\n') // Fast-forward to next line
{
s++;
}
}
while (s < text_end)
{
if (word_wrap_enabled)
{
// Calculate how far we can render. Requires two passes on the string data but keeps the code simple and not intrusive for what's essentially an uncommon feature.
if (word_wrap_eol != -1)
{
word_wrap_eol = CalcWordWrapPositionA(scale, text, s, text_end, wrap_width - (x - pos.x));
if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity.
{
word_wrap_eol++; // +1 may not be a character start point in UTF-8 but it's ok because we use s >= word_wrap_eol below
}
}
if (s >= word_wrap_eol)
{
x = pos.x;
y += line_height;
word_wrap_eol = -1;
// Wrapping skips upcoming blanks
while (s < text_end)
{
char wc = text[s];
if (char.IsSeparator(wc))
{
s++;
}
else if (wc == '\n')
{
s++; break;
}
else
{
break;
}
}
continue;
}
}
// Decode and advance source
char c = text[s++];
//if (c< 0x80)
//{
// s += 1;
//}
//else
//{
// s += ImTextCharFromUtf8(&c, s, text_end);
// if (c == 0)
// break;
//}
if (c < 32)
{
if (c == '\n')
{
x = pos.x;
y += line_height;
if (y > clip_rect.w)
{
break;
}
if (!word_wrap_enabled && y + line_height < clip_rect.y)
{
while (s < text_end && text[s] != '\n') // Fast-forward to next line
{
s++;
}
}
continue;
}
if (c == '\r')
{
continue;
}
}
float char_width = 0.0f;
Glyph glyph;
if (FindGlyph(c, out glyph))
{
char_width = glyph.XAdvance * scale;
// Arbitrarily assume that both space and tabs are empty glyphs as an optimization
if (c != ' ' && c != '\t')
{
// We don't do a second finer clipping test on the Y axis as we've already skipped anything before clip_rect.y and exit once we pass clip_rect.w
float y1 = (float)(y + glyph.Y0 * scale);
float y2 = (float)(y + glyph.Y1 * scale);
float x1 = (float)(x + glyph.X0 * scale);
float x2 = (float)(x + glyph.X1 * scale);
if (x1 <= clip_rect.z && x2 >= clip_rect.x)
{
// Render a character
float u1 = glyph.U0;
float v1 = glyph.V0;
float u2 = glyph.U1;
float v2 = glyph.V1;
// CPU side clipping used to fit text in their frame when the frame is too small. Only does clipping for axis aligned quads.
if (cpu_fine_clip)
{
if (x1 < clip_rect.x)
{
u1 = u1 + (1.0f - (x2 - clip_rect.x) / (x2 - x1)) * (u2 - u1);
x1 = clip_rect.x;
}
if (y1 < clip_rect.y)
{
v1 = v1 + (1.0f - (y2 - clip_rect.y) / (y2 - y1)) * (v2 - v1);
y1 = clip_rect.y;
}
if (x2 > clip_rect.z)
{
u2 = u1 + ((clip_rect.z - x1) / (x2 - x1)) * (u2 - u1);
x2 = clip_rect.z;
}
if (y2 > clip_rect.w)
{
v2 = v1 + ((clip_rect.w - y1) / (y2 - y1)) * (v2 - v1);
y2 = clip_rect.w;
}
if (y1 >= y2)
{
x += char_width;
continue;
}
}
// We are NOT calling PrimRectUV() here because non-inlined causes too much overhead in a debug build.
// Inlined here:
{
draw_list.IdxBuffer[idx_write++] = (ImDrawIdx)(vtx_current_idx); draw_list.IdxBuffer[idx_write++] = (ImDrawIdx)(vtx_current_idx + 1); draw_list.IdxBuffer[idx_write++] = (ImDrawIdx)(vtx_current_idx + 2);
draw_list.IdxBuffer[idx_write++] = (ImDrawIdx)(vtx_current_idx); draw_list.IdxBuffer[idx_write++] = (ImDrawIdx)(vtx_current_idx + 2); draw_list.IdxBuffer[idx_write++] = (ImDrawIdx)(vtx_current_idx + 3);
draw_list.VtxBuffer[vtx_write++] = new ImDrawVert()
{
pos = new ImVec2(x1, y1), uv = new ImVec2(u1, v1), col = col
};
draw_list.VtxBuffer[vtx_write++] = new ImDrawVert()
{
pos = new ImVec2(x2, y1), uv = new ImVec2(u2, v1), col = col
};
draw_list.VtxBuffer[vtx_write++] = new ImDrawVert()
{
pos = new ImVec2(x2, y2), uv = new ImVec2(u2, v2), col = col
};
draw_list.VtxBuffer[vtx_write++] = new ImDrawVert()
{
pos = new ImVec2(x1, y2), uv = new ImVec2(u1, v2), col = col
};
vtx_current_idx += 4;
}
}
}
}
x += char_width;
}
draw_list._VtxWritePtr = vtx_write;
draw_list._VtxCurrentIdx = vtx_current_idx;
draw_list._IdxWritePtr = idx_write;
return(new ImRect(pos, new ImVec2(x, y + line_height)));
}
public void Dispose()
{
DrawList.Dispose();
DrawList = null;
}
public void RenderDrawData(ImDrawData drawData)
{
GraphicsDevice device = Game.GraphicsDevice;
// Setup render state: alpha-blending enabled, no face culling, no depth testing, scissor enabled, vertex/texcoord/color pointers.
Viewport lastViewport = device.Viewport;
Rectangle lastScissorBox = device.ScissorRectangle;
device.BlendFactor = Color.White;
device.BlendState = BlendState.NonPremultiplied;
device.RasterizerState = RasterizerState;
device.DepthStencilState = DepthStencilState.DepthRead;
// Handle cases of screen coordinates != from framebuffer coordinates (e.g. retina displays)
ImGuiIO io = ImGui.GetIO();
ImGui.ScaleClipRects(drawData, io.DisplayFramebufferScale);
// Setup projection
device.Viewport = new Viewport(0, 0, device.PresentationParameters.BackBufferWidth, device.PresentationParameters.BackBufferHeight);
if (Effect == null)
{
Effect = new BasicEffect(device);
}
Effect effect = Effect;
SetupEffect(this, effect);
// Render command lists
for (int n = 0; n < drawData.CmdListsCount; n++)
{
ImDrawList cmdList = drawData[n];
ImVector <ImDrawVertXNA> vtxBuffer;
unsafe
{
vtxBuffer = new ImVector <ImDrawVertXNA>(cmdList.VtxBuffer.Native);
}
ImDrawVertXNA[] vtxArray = new ImDrawVertXNA[vtxBuffer.Size];
for (int i = 0; i < vtxBuffer.Size; i++)
{
vtxArray[i] = vtxBuffer[i];
}
ImVector <short> idxBuffer;
unsafe
{
idxBuffer = new ImVector <short>(cmdList.IdxBuffer.Native);
}
/*
* short[] idxArray = new short[idxBuffer.Size];
* for (int i = 0; i < idxBuffer.Size; i++)
* idxArray[i] = idxBuffer[i];
*/
uint offset = 0;
for (int cmdi = 0; cmdi < cmdList.CmdBuffer.Size; cmdi++)
{
ImDrawCmd pcmd = cmdList.CmdBuffer[cmdi];
if (pcmd.UserCallback != IntPtr.Zero)
{
pcmd.InvokeUserCallback(ref cmdList, ref pcmd);
}
else
{
// Instead of uploading the complete idxBuffer again and again, just upload what's required.
short[] idxArray = new short[pcmd.ElemCount];
for (int i = 0; i < pcmd.ElemCount; i++)
{
idxArray[i] = idxBuffer[(int)offset + i];
}
SetEffectTexture(this, effect, GetTexture((int)pcmd.TextureId));
device.ScissorRectangle = new Rectangle(
(int)pcmd.ClipRect.X,
(int)pcmd.ClipRect.Y,
(int)(pcmd.ClipRect.Z - pcmd.ClipRect.X),
(int)(pcmd.ClipRect.W - pcmd.ClipRect.Y)
);
foreach (EffectPass pass in effect.CurrentTechnique.Passes)
{
pass.Apply();
device.DrawUserIndexedPrimitives(
PrimitiveType.TriangleList,
vtxArray, 0, vtxBuffer.Size,
idxArray, 0, (int)pcmd.ElemCount / 3,
ImDrawVertXNA._VertexDeclaration
);
}
}
offset += pcmd.ElemCount;
}
}
// Restore modified state
device.Viewport = lastViewport;
device.ScissorRectangle = lastScissorBox;
}
