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Scintilla: Added scroll bar.

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This commit is contained in:
Branimir Karadžić 2015-07-20 22:08:08 -07:00
parent 4a7d0d1954
commit d168bd88f6
1 changed files with 38 additions and 7 deletions
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45
examples/common/imgui/scintilla.cpp
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@ -637,7 +637,9 @@ public:
{ {
ImVec2 cursorPos = ImGui::GetCursorPos(); ImVec2 cursorPos = ImGui::GetCursorPos();
ImVec2 regionMax = ImGui::GetWindowContentRegionMax(); ImVec2 regionMax = ImGui::GetWindowContentRegionMax();
ImVec2 size = ImVec2(regionMax.x - cursorPos.x, regionMax.y - cursorPos.y); ImVec2 size = ImVec2( regionMax.x - cursorPos.x - 32
, regionMax.y - cursorPos.y
);
Resize(0, 0, (int)size.x, (int)size.y); Resize(0, 0, (int)size.x, (int)size.y);
@ -739,6 +741,10 @@ public:
} }
} }
int32_t lineCount = int32_t(command(SCI_GETLINECOUNT) );
int32_t firstVisibleLine = int32_t(command(SCI_GETFIRSTVISIBLELINE) );
float fontHeight = ImGui::GetWindowFontSize();
if (ImGui::IsMouseClicked(0) ) if (ImGui::IsMouseClicked(0) )
{ {
ImGuiIO& io = ImGui::GetIO(); ImGuiIO& io = ImGui::GetIO();
@ -749,12 +755,36 @@ public:
Tick(); Tick();
Scintilla::AutoSurface surfaceWindow(this); ImGui::BeginGroup();
if (surfaceWindow) ImGui::BeginChild("##editor", ImVec2(size.x, size.y-20) );
{ Scintilla::AutoSurface surfaceWindow(this);
Paint(surfaceWindow, GetClientRectangle() ); if (surfaceWindow)
surfaceWindow->Release(); {
} Paint(surfaceWindow, GetClientRectangle() );
surfaceWindow->Release();
}
ImGui::EndChild();
ImGui::SameLine();
ImGui::BeginChild("##scroll");
ImGuiListClipper clipper;
clipper.Begin(lineCount, fontHeight*2.0f);
if (m_lastFirstVisibleLine != firstVisibleLine)
{
m_lastFirstVisibleLine = firstVisibleLine;
ImGui::SetScrollY(firstVisibleLine * fontHeight*2.0f);
}
else if (firstVisibleLine != clipper.DisplayStart)
{
command(SCI_SETFIRSTVISIBLELINE, clipper.DisplayStart);
}
clipper.End();
ImGui::EndChild();
ImGui::EndGroup();
} }
void setStyle(int style, Scintilla::ColourDesired fore, Scintilla::ColourDesired back = UINT32_MAX, int size = -1, const char* face = NULL) void setStyle(int style, Scintilla::ColourDesired fore, Scintilla::ColourDesired back = UINT32_MAX, int size = -1, const char* face = NULL)
@ -778,6 +808,7 @@ private:
int m_height; int m_height;
int m_wheelVRotation; int m_wheelVRotation;
int m_wheelHRotation; int m_wheelHRotation;
int m_lastFirstVisibleLine;
Scintilla::ColourDesired m_searchResultIndication; Scintilla::ColourDesired m_searchResultIndication;
Scintilla::ColourDesired m_filteredSearchResultIndication; Scintilla::ColourDesired m_filteredSearchResultIndication;