ENH:add an tip icon for assembly view

jira: STUDIO-7155
Change-Id: Ie9e4fa578c8aa5bda9ff771d82f396f8b51026bb

src/slic3r/GUI/GLCanvas3D.cpp

@@ -1173,6 +1173,13 @@ GLCanvas3D::GLCanvas3D(wxGLCanvas* canvas, Bed3D &bed)
     load_arrange_settings();
 
     m_selection.set_volumes(&m_volumes.volumes);
+
+    m_assembly_view_desc["object_selection_caption"] = _L("Left mouse button");
+    m_assembly_view_desc["object_selection"]         = _L("object selection");
+    m_assembly_view_desc["part_selection_caption"]   = "Alt +" + _L("Left mouse button");
+    m_assembly_view_desc["part_selection"]         = _L("part selectiont");
+    m_assembly_view_desc["number_key_caption"]       = "1~16 " + _L("number keys");
+    m_assembly_view_desc["number_key"]       = _L("number keys can quickly change the color of objects");
 }
 
 GLCanvas3D::~GLCanvas3D()
@@ -8227,6 +8234,43 @@ void GLCanvas3D::_render_paint_toolbar() const
     ImGui::PopStyleColor();
 }
 
+float GLCanvas3D::_show_assembly_tooltip_information(float caption_max, float x, float y) const
+{
+    ImGuiWrapper *imgui     = wxGetApp().imgui();
+    ImTextureID normal_id = m_gizmos.get_icon_texture_id(GLGizmosManager::MENU_ICON_NAME::IC_TOOLBAR_TOOLTIP);
+    ImTextureID hover_id  = m_gizmos.get_icon_texture_id(GLGizmosManager::MENU_ICON_NAME::IC_TOOLBAR_TOOLTIP_HOVER);
+
+    caption_max += imgui->calc_text_size(": ").x + 35.f;
+
+    float  font_size   = ImGui::GetFontSize();
+    ImVec2 button_size = ImVec2(font_size * 1.8, font_size * 1.3);
+
+    ImGui::PushStyleVar(ImGuiStyleVar_FrameBorderSize, 0.0f);
+    ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, {0, ImGui::GetStyle().FramePadding.y});
+    ImGui::ImageButton3(normal_id, hover_id, button_size);
+
+    if (ImGui::IsItemHovered()) {
+        ImGui::BeginTooltip2(ImVec2(x, y));
+        auto draw_text_with_caption = [this, &imgui, & caption_max](const wxString &caption, const wxString &text) {
+            imgui->text_colored(ImGuiWrapper::COL_ACTIVE, caption);
+            ImGui::SameLine(caption_max);
+            imgui->text_colored(ImGuiWrapper::COL_WINDOW_BG, text);
+        };
+
+        for (const auto &t : std::array<std::string, 3>{"object_selection", "part_selection", "number_key"}) {
+            draw_text_with_caption(m_assembly_view_desc.at(t + "_caption") + ": ", m_assembly_view_desc.at(t));
+        }
+        ImGui::EndTooltip();
+    }
+    ImGui::PopStyleVar(2);
+    auto same_line_size = button_size.x * 1.8;//with an space size
+    ImGui::SameLine(same_line_size);
+    same_line_size = imgui->calc_text_size("|").x + same_line_size + imgui->calc_text_size("  ").x;
+    imgui->text_colored(ImGuiWrapper::COL_ACTIVE, "|");
+    ImGui::SameLine(same_line_size);
+    return same_line_size;
+}
+
 //BBS
 void GLCanvas3D::_render_assemble_control() const
 {
@@ -8258,7 +8302,18 @@ void GLCanvas3D::_render_assemble_control() const
     imgui->begin(_L("Assemble Control"), ImGuiWindowFlags_NoMove | ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoTitleBar);
 
     ImGui::AlignTextToFramePadding();
-
+    float tip_icon_size;
+    {
+        float caption_max = 0.f;
+        for (const auto &t : std::array<std::string, 3>{"object_selection", "part_selection", "number_key"}) {
+            caption_max = std::max(caption_max, imgui->calc_text_size(m_assembly_view_desc.at(t + "_caption")).x);
+        }
+        const ImVec2 pos = ImGui::GetCursorScreenPos();
+        const float text_y =imgui->calc_text_size(_L("part_selection")).y;
+        float get_cur_x = pos.x;
+        float get_cur_y = pos.y - ImGui::GetFrameHeight() - 4 * text_y;
+        tip_icon_size =_show_assembly_tooltip_information(caption_max, get_cur_x, get_cur_y);
+    }
     {
         float clp_dist = m_gizmos.m_assemble_view_data->model_objects_clipper()->get_position();
         if (clp_dist == 0.f) {
@@ -8273,11 +8328,11 @@ void GLCanvas3D::_render_assemble_control() const
             }
         }
 
-        ImGui::SameLine(window_padding.x + text_size_x + item_spacing);
+        ImGui::SameLine(tip_icon_size + window_padding.x + text_size_x + item_spacing);
         ImGui::PushItemWidth(slider_width);
         bool view_slider_changed = imgui->bbl_slider_float_style("##clp_dist", &clp_dist, 0.f, 1.f, "%.2f", 1.0f, true);
 
-        ImGui::SameLine(window_padding.x + text_size_x + slider_width + item_spacing * 2);
+        ImGui::SameLine(tip_icon_size +window_padding.x + text_size_x + slider_width + item_spacing * 2);
         ImGui::PushItemWidth(value_size);
         bool view_input_changed = ImGui::BBLDragFloat("##clp_dist_input", &clp_dist, 0.05f, 0.0f, 0.0f, "%.2f");
 
@@ -8286,14 +8341,14 @@ void GLCanvas3D::_render_assemble_control() const
     }
 
     {
-        ImGui::SameLine(window_padding.x + text_size_x + slider_width + item_spacing * 6 + value_size);
+        ImGui::SameLine(tip_icon_size +window_padding.x + text_size_x + slider_width + item_spacing * 6 + value_size);
         imgui->text(_L("Explosion Ratio"));
 
-        ImGui::SameLine(window_padding.x + 2 * text_size_x + slider_width + item_spacing * 7 + value_size);
+        ImGui::SameLine(tip_icon_size +window_padding.x + 2 * text_size_x + slider_width + item_spacing * 7 + value_size);
         ImGui::PushItemWidth(slider_width);
         bool explosion_slider_changed = imgui->bbl_slider_float_style("##ratio_slider", &m_explosion_ratio, 1.0f, 3.0f, "%1.2f");
 
-        ImGui::SameLine(window_padding.x + 2 * text_size_x + 2 * slider_width + item_spacing * 8 + value_size);
+        ImGui::SameLine(tip_icon_size +window_padding.x + 2 * text_size_x + 2 * slider_width + item_spacing * 8 + value_size);
         ImGui::PushItemWidth(value_size);
         bool explosion_input_changed = ImGui::BBLDragFloat("##ratio_input", &m_explosion_ratio, 0.1f, 1.0f, 3.0f, "%1.2f");
     }

src/slic3r/GUI/GLCanvas3D.hpp

@@ -507,6 +507,7 @@ private:
     wxGLCanvas* m_canvas;
     wxGLContext* m_context;
     Bed3D &m_bed;
+    std::map<std::string, wxString> m_assembly_view_desc;
 #if ENABLE_RETINA_GL
     std::unique_ptr<RetinaHelper> m_retina_helper;
 #endif
@@ -1145,6 +1146,7 @@ private:
     // BBS
     //void _render_view_toolbar() const;
     void _render_paint_toolbar() const;
+    float _show_assembly_tooltip_information(float caption_max, float x, float y) const;
     void _render_assemble_control() const;
     void _render_assemble_info() const;
 #if ENABLE_SHOW_CAMERA_TARGET