implemented color picker in dialog

Fixes #1757
2021-10-01 15:41:24 -07:00
parent ee81a47f2e
commit 7b65ecace5
13 changed files with 328 additions and 28 deletions
@@ -82,7 +82,8 @@ Core::Core(const CoreParams& params) :
  tool_(Tool::kPointer),
  addable_object_(Tool::kAddableEmpty),
  snapping_(true),
-  core_params_(params)
+  core_params_(params),
+  pixel_sampling_users_(0)
 {
  // Store reference to this object, making the assumption that Core will only ever be made in
  // main(). This will obviously break if not.
@@ -1206,6 +1207,25 @@ void Core::BrowseAutoRecoveries()
  ard.exec();
 }

+void Core::RequestPixelSamplingInViewers(bool e)
+{
+  if (e) {
+    if (pixel_sampling_users_ == 0) {
+      // Signal to start pixel sampling
+      emit ColorPickerEnabled(true);
+    }
+
+    pixel_sampling_users_++;
+  } else {
+    pixel_sampling_users_--;
+
+    if (pixel_sampling_users_ == 0) {
+      // Signal to end pixel sampling
+      emit ColorPickerEnabled(false);
+    }
+  }
+}
+
 bool Core::SaveProjectAs(Project* p)
 {
  QFileDialog fd(main_window_, tr("Save Project As"));