From e5ed27180fcde244b027a04a609bee33c373672f Mon Sep 17 00:00:00 2001
From: Bruno <bruno.herbelin@gmail.com>
Date: Sun, 24 Jan 2021 10:54:25 +0100
Subject: [PATCH] New buttons and icon modes

---
 ImGuiToolkit.cpp | 56 +++++++++++++++++++++++++++++++++++++++++++++++-
 ImGuiToolkit.h   | 14 +++++++-----
 2 files changed, 64 insertions(+), 6 deletions(-)

diff --git a/ImGuiToolkit.cpp b/ImGuiToolkit.cpp
index 9846f63..6562567 100644
--- a/ImGuiToolkit.cpp
+++ b/ImGuiToolkit.cpp
@@ -124,7 +124,10 @@ void ImGuiToolkit::Icon(int i, int j, bool enabled)
 
     ImVec2 uv0( static_cast<float>(i) * 0.05, static_cast<float>(j) * 0.05 );
     ImVec2 uv1( uv0.x + 0.05, uv0.y + 0.05 );
-    ImVec4 tint_color = ImVec4(1.f,1.f,1.f, enabled ? 1.f : 0.6f);
+
+    ImVec4 tint_color = ImGui::GetStyle().Colors[ImGuiCol_Text];
+    if (!enabled)
+        tint_color.w = 0.6f;
     ImGui::Image((void*)(intptr_t)textureicons, ImVec2(ImGui::GetTextLineHeightWithSpacing(), ImGui::GetTextLineHeightWithSpacing()), uv0, uv1, tint_color);
 }
 
@@ -262,6 +265,42 @@ bool ImGuiToolkit::ButtonIconMultistate(std::vector<std::pair<int, int> > icons,
     return ret;
 }
 
+bool ImGuiToolkit::ComboIcon (std::vector<std::pair<int, int> > icons, int* state)
+{
+    bool ret = false;
+    Sum id = std::for_each(icons.begin(), icons.end(), Sum());
+    ImGui::PushID( id.sum );
+
+    ImVec2 draw_pos = ImGui::GetCursorScreenPos();
+    float w = ImGui::GetTextLineHeight();
+    ImGui::SetNextItemWidth(w * 2.8f);
+    if (ImGui::BeginCombo("##ComboIcon", "  ") )
+    {
+        std::vector<std::pair<int, int> >::iterator it = icons.begin();
+        for(int i = 0 ; it != icons.end(); i++, it++) {
+            ImGui::PushID( id.sum + i + 1);
+            ImVec2 pos = ImGui::GetCursorScreenPos();
+            // combo selectable item
+            if ( ImGui::Selectable("  ", i == *state )){
+                *state = i;
+                ret = true;
+            }
+            // draw item icon
+            ImGui::SetCursorScreenPos( pos + ImVec2(w/6.f,0) );
+            Icon( (*it).first, (*it).second );
+            ImGui::PopID();
+        }
+        ImGui::EndCombo();
+    }
+
+    // redraw current ad preview value
+    ImGui::SetCursorScreenPos(draw_pos + ImVec2(w/9.f,w/9.f));
+    Icon(icons[*state].first, icons[*state].second );
+
+    ImGui::PopID();
+    return ret;
+}
+
 
 void ImGuiToolkit::ShowIconsWindow(bool* p_open)
 {
@@ -328,6 +367,21 @@ void ImGuiToolkit::HelpMarker(const char* desc, const char* icon)
     }
 }
 
+void ImGuiToolkit::HelpIcon(const char* desc, int i, int j)
+{
+    ImGuiToolkit::Icon(i, j, false);
+    if (ImGui::IsItemHovered())
+    {
+        ImGui::BeginTooltip();
+        ImGuiToolkit::PushFont(ImGuiToolkit::FONT_DEFAULT);
+        ImGui::PushTextWrapPos(ImGui::GetFontSize() * 35.0f);
+        ImGui::TextUnformatted(desc);
+        ImGui::PopTextWrapPos();
+        ImGui::PopFont();
+        ImGui::EndTooltip();
+    }
+}
+
 // Draws a timeline showing
 // 1) a cursor at position *time in the range [0 duration]
 // 2) a line of tick marks indicating time, every step if possible
diff --git a/ImGuiToolkit.h b/ImGuiToolkit.h
index d42b655..b49a8a6 100644
--- a/ImGuiToolkit.h
+++ b/ImGuiToolkit.h
@@ -11,21 +11,25 @@
 namespace ImGuiToolkit
 {
     // Icons from resource icon.dds
-    void Icon(int i, int j, bool enabled = true);
-    bool IconButton(int i, int j, const char *tooltips = nullptr);
+    void Icon (int i, int j, bool enabled = true);
+    bool IconButton (int i, int j, const char *tooltips = nullptr);
     bool IconToggle (int i, int j, int i_toggle, int j_toggle, bool* toggle, const char *tooltips[] = nullptr);
     void ShowIconsWindow(bool* p_open);
 
-    // utility buttons
+    // icon buttons
     bool ButtonIcon (int i, int j, const char* tooltip = nullptr);
     bool ButtonIconToggle (int i, int j, int i_toggle, int j_toggle, bool* toggle);
     bool ButtonIconMultistate (std::vector<std::pair<int, int> > icons, int* state);
-    bool ButtonToggle(const char* label, bool* toggle);
+    bool ComboIcon (std::vector<std::pair<int, int> > icons, int* state);
+
+    // utility buttons
+    bool ButtonToggle (const char* label, bool* toggle);
     void ButtonSwitch (const char* label, bool* toggle , const char *help = nullptr);
     void ButtonOpenUrl (const char* url, const ImVec2& size_arg = ImVec2(0,0));
 
-    void ToolTip (const char* desc);
+    void ToolTip    (const char* desc);
     void HelpMarker (const char* desc, const char* icon = ICON_FA_QUESTION_CIRCLE);
+    void HelpIcon   (const char* desc, int i, int j);
 
     // utility sliders
     bool TimelineSlider (const char* label, guint64 *time, guint64 start, guint64 end, guint64 step, const float width);