fix more ui elements in multi viewport (search input, drag&drop zones) (#5432)

Author: ABSitf

source/MRCommonPlugins/ViewerButtons/MRIOFilesMenuItems.cpp

@@ -48,6 +48,7 @@
 #include "MRViewer/MRLambdaRibbonItem.h"
 #include "MRIOExtras/MRPng.h"
 #include "MRViewer/MRRibbonFontHolder.h"
+#include "MRViewer/MRImGuiMultiViewport.h"
 
 #ifndef MESHLIB_NO_VOXELS
 #include "MRVoxels/MRObjectVoxels.h"
@@ -333,11 +334,10 @@ void OpenFilesMenuItem::preDraw_()
 
     auto mainColor = ColorTheme::getRibbonColor( ColorTheme::RibbonColorsType::BackgroundSecStyle );
     auto secondColor = ColorTheme::getRibbonColor( ColorTheme::RibbonColorsType::Background );
-
-    ImVec2 min = ImVec2( 10.0f * UI::scale(), 10.0f * UI::scale() );
-    ImVec2 max = ImVec2( Vector2f( getViewerInstance().framebufferSize ) );
-    max.x -= min.x;
-    max.y -= min.y;
+    
+    ImVec2 offset = ImVec2( 10.0f, 10.0f ) * UI::scale();
+    ImVec2 min = ImGuiMV::Window2ScreenSpaceImVec2( offset );
+    ImVec2 max = ImGuiMV::Window2ScreenSpaceImVec2( ImVec2( Vector2f( getViewerInstance().framebufferSize ) ) - offset );
     drawList->AddRectFilled( min, max,
         ( addAreaHovered ? secondColor : mainColor ).scaledAlpha( 0.8f ).getUInt32(), 10.0f * UI::scale() );
     drawList->AddRect( min, max, ColorTheme::getRibbonColor( ColorTheme::RibbonColorsType::Borders ).getUInt32(), 10.0f * UI::scale(), 0, 2.0f * UI::scale() );
@@ -352,7 +352,7 @@ void OpenFilesMenuItem::preDraw_()
     {
         auto sceneBoxSize = menu->getSceneSize();
         min.y += ( getViewerInstance().framebufferSize.y - sceneBoxSize.y );
-        max.x = sceneBoxSize.x - min.x;
+        max.x = min.x + sceneBoxSize.x - offset.x * 2.f;
         drawList->AddRectFilled( min, max, ( addAreaHovered ? mainColor : secondColor ).scaledAlpha( 0.8f ).getUInt32(), 10.0f * UI::scale() );
         drawList->AddRect( min, max, ColorTheme::getRibbonColor( ColorTheme::RibbonColorsType::Borders ).getUInt32(), 10.0f * UI::scale(), 0, 2.0f * UI::scale() );
 

source/MRViewer/MRRibbonMenuSearch.cpp

@@ -11,6 +11,7 @@
 #include "MRUIStyle.h"
 #include "MRRibbonFontHolder.h"
 #include "MRImGuiMultiViewport.h"
+#include "MRImGuiMultiViewport.h"
 #include <imgui_internal.h>
 
 namespace MR
@@ -341,15 +342,17 @@ bool RibbonMenuSearch::smallSearchButton_()
 bool RibbonMenuSearch::searchInputText_( const char* label, std::string& str )
 {
     ImGui::PushID( "searchInputText" );
-    const ImVec2 cursorPos = ImGui::GetCursorPos();
+    const ImVec2 cursorPosWindow = ImGui::GetCursorPos();
+    const ImVec2 cursorPosScreen = ImGuiMV::Window2ScreenSpaceImVec2( cursorPosWindow );
+
 
     const auto& style = ImGui::GetStyle();
 
     const float inputHeight = ImGui::GetTextLineHeight() + style.FramePadding.y * 2.f;
     const auto drawList = ImGui::GetWindowDrawList();
-    drawList->AddRectFilled( cursorPos, ImVec2( cursorPos.x + cSearchSize * UI::scale(), cursorPos.y + inputHeight ),
+    drawList->AddRectFilled( cursorPosScreen, ImVec2( cursorPosScreen.x + cSearchSize * UI::scale(), cursorPosScreen.y + inputHeight ),
         ColorTheme::getRibbonColor( ColorTheme::RibbonColorsType::TopPanelSearchBackground ).getUInt32(), style.FrameRounding );
-    drawList->AddRect( cursorPos, ImVec2( cursorPos.x + cSearchSize * UI::scale(), cursorPos.y + inputHeight ),
+    drawList->AddRect( cursorPosScreen, ImVec2( cursorPosScreen.x + cSearchSize * UI::scale(), cursorPosScreen.y + inputHeight ),
         ImGui::GetColorU32( ImGuiCol_Border ), style.FrameRounding );
 
     int colorNum = 0;
@@ -360,7 +363,7 @@ bool RibbonMenuSearch::searchInputText_( const char* label, std::string& str )
     }
     RibbonFontHolder font( RibbonFontManager::FontType::Icons, 0.7f );
     const float inputWidth = cSearchSize * UI::scale() - style.FramePadding.x - style.ItemSpacing.x - ImGui::CalcTextSize( "\xef\x80\x82" ).x;
-    ImGui::SetCursorPos( ImVec2( cursorPos.x + inputWidth + style.ItemSpacing.x, cursorPos.y + style.FramePadding.y ) );
+    ImGui::SetCursorPos( ImVec2( cursorPosWindow.x + inputWidth + style.ItemSpacing.x, cursorPosWindow.y + style.FramePadding.y ) );
     ImGui::Text( "%s", "\xef\x80\x82" );
     font.popFont();
     if ( colorNum )
@@ -369,7 +372,7 @@ bool RibbonMenuSearch::searchInputText_( const char* label, std::string& str )
     if ( ImGui::IsItemClicked( ImGuiMouseButton_Left ) )
         activate();
 
-    ImGui::SetCursorPos( cursorPos );
+    ImGui::SetCursorPos( cursorPosWindow );
     ImGui::SetNextItemWidth( inputWidth );
     ImGui::PushStyleColor( ImGuiCol_FrameBg, Color::transparent().getUInt32() );
     ImGui::PushStyleColor( ImGuiCol_Border, Color::transparent().getUInt32() );