Added a deletion button next to all "Browse..."-like buttons in editors, when it made sense.

Author: Espyo

source/source/game_state/animation_editor/gui.cpp

@@ -711,8 +711,30 @@ void AnimationEditor::process_gui_options_dialog() {
         if(use_bg) {
             ImGui::Indent();
 
+            //Remove background texture button.
+            unsigned char rem_bg_opacity =
+                game.options.anim_editor.bg_path.empty() ? 50 : 255;
+            if(
+                ImGui::ImageButton(
+                    "remBgButton", editor_icons[EDITOR_ICON_REMOVE],
+                    Point(ImGui::GetTextLineHeight()), Point(), Point(1.0f),
+                    COLOR_EMPTY, map_alpha(rem_bg_opacity)
+                )
+            ) {
+                game.options.anim_editor.bg_path.clear();
+                if(bg) {
+                    al_destroy_bitmap(bg);
+                    bg = nullptr;
+                }
+            }
+            set_tooltip(
+                "Remove the background image.\n"
+                "This does not delete the file on your disk."
+            );
+            
             //Background texture browse button.
-            if(ImGui::Button("Browse...", ImVec2(96.0f, 32.0f))) {
+            ImGui::SameLine();
+            if(ImGui::Button("Browse...")) {
                 vector<string> f =
                     prompt_file_dialog(
                         FOLDER_PATHS_FROM_ROOT::BASE_PACK + "/" +

source/source/game_state/area_editor/gui.cpp

@@ -2247,7 +2247,28 @@ void AreaEditor::process_gui_panel_info() {
     ImGui::Spacer();
     if(saveable_tree_node("info", "Thumbnail")) {
 
+        //Remove thumbnail button.
+        unsigned char rem_thumb_opacity =
+            !game.cur_area_data->thumbnail ? 50 : 255;
+        if(
+            ImGui::ImageButton(
+                "remThumbButton", editor_icons[EDITOR_ICON_REMOVE],
+                Point(ImGui::GetTextLineHeight()), Point(), Point(1.0f),
+                COLOR_EMPTY, map_alpha(rem_thumb_opacity)
+            ) &&
+            game.cur_area_data->thumbnail
+        ) {
+            register_change("area thumbnail removal");
+            remove_thumbnail();
+            thumbnail_needs_saving = true;
+            thumbnail_backup_needs_saving = true;
+        }
+        set_tooltip(
+            "Remove the current thumbnail, if any."
+        );
+        
         //Thumbnail browse button.
+        ImGui::SameLine();
         if(ImGui::Button("Browse...")) {
             vector<string> f =
                 prompt_file_dialog(
@@ -2274,18 +2295,7 @@ void AreaEditor::process_gui_panel_info() {
             "a file on your disk. When you save the area, the thumbnail\n"
             "gets saved into thumbnail.png in the area's folder, \n"
             "but the original file you selected with the\n"
-            "Browse... button will be left untouched."
-        );
-        
-        //Thumbnail remove button.
-        ImGui::SameLine();
-        if(ImGui::Button("Remove thumbnail")) {
-            remove_thumbnail();
-            thumbnail_needs_saving = true;
-            thumbnail_backup_needs_saving = true;
-        }
-        set_tooltip(
-            "Removes the current thumbnail, if any."
+            "'Browse...' button will be left untouched."
         );
 
         //Current thumbnail text.
@@ -2314,7 +2324,27 @@ void AreaEditor::process_gui_panel_info() {
     ImGui::Spacer();
     if(saveable_tree_node("info", "Background")) {
 
-        //Choose background image button.
+        //Remove background texture button.
+        unsigned char rem_bg_opacity =
+            game.cur_area_data->bg_bmp_name.empty() ? 50 : 255;
+        if(
+            ImGui::ImageButton(
+                "remBgButton", editor_icons[EDITOR_ICON_REMOVE],
+                Point(ImGui::GetTextLineHeight()), Point(), Point(1.0f),
+                COLOR_EMPTY, map_alpha(rem_bg_opacity)
+            ) &&
+            !game.cur_area_data->bg_bmp_name.empty()
+        ) {
+            register_change("area background removal");
+            game.cur_area_data->bg_bmp_name.clear();
+            set_status("Removed the background image successfully.");
+        }
+        set_tooltip(
+            "Remove the background image for the area."
+        );
+        
+        //Choose background texture button.
+        ImGui::SameLine();
         if(ImGui::Button("Choose image...")) {
             open_bitmap_dialog(
             [this] (const string &bmp) {
@@ -5386,9 +5416,25 @@ void AreaEditor::process_gui_panel_tools() {
     //Reference image node.
     if(saveable_tree_node("tools", "Reference image")) {
 
-        string old_ref_file_name = reference_file_path;
+        //Remove reference image button.
+        unsigned char rem_ref_opacity = reference_file_path.empty() ? 50 : 255;
+        if(
+            ImGui::ImageButton(
+                "remRefButton", editor_icons[EDITOR_ICON_REMOVE],
+                Point(ImGui::GetTextLineHeight()), Point(), Point(1.0f),
+                COLOR_EMPTY, map_alpha(rem_ref_opacity)
+            )
+        ) {
+            reference_file_path.clear();
+            update_reference();
+        }
+        set_tooltip(
+            "Remove the reference image.\n"
+            "This does not delete the file on your disk."
+        );
 
         //Browse for a reference image button.
+        ImGui::SameLine();
         if(ImGui::Button("Browse...")) {
             vector<string> f =
                 prompt_file_dialog(

source/source/game_state/particle_editor/gui.cpp

@@ -613,8 +613,30 @@ void ParticleEditor::process_gui_options_dialog() {
         if(use_bg) {
             ImGui::Indent();
 
+            //Remove background texture button.
+            unsigned char rem_bg_opacity =
+                game.options.particle_editor.bg_path.empty() ? 50 : 255;
+            if(
+                ImGui::ImageButton(
+                    "remBgButton", editor_icons[EDITOR_ICON_REMOVE],
+                    Point(ImGui::GetTextLineHeight()), Point(), Point(1.0f),
+                    COLOR_EMPTY, map_alpha(rem_bg_opacity)
+                )
+            ) {
+                game.options.particle_editor.bg_path.clear();
+                if(bg) {
+                    al_destroy_bitmap(bg);
+                    bg = nullptr;
+                }
+            }
+            set_tooltip(
+                "Remove the background image.\n"
+                "This does not delete the file on your disk."
+            );
+            
             //Background texture browse button.
-            if(ImGui::Button("Browse...", ImVec2(96.0f, 32.0f))) {
+            ImGui::SameLine();
+            if(ImGui::Button("Browse...")) {
                 vector<string> f =
                     prompt_file_dialog(
                         FOLDER_PATHS_FROM_ROOT::BASE_PACK + "/" +
@@ -1091,10 +1113,13 @@ void ParticleEditor::process_gui_panel_generator() {
         if(open_image_node) {
 
             //Remove bitmap button.
+            unsigned char rem_bmp_opacity =
+                loaded_gen.base_particle.bmp_name.empty() ? 50 : 255;
             if(
                 ImGui::ImageButton(
-                    "removeBitmap", editor_icons[EDITOR_ICON_REMOVE],
-                    Point(EDITOR::ICON_BMP_SIZE)
+                    "remBmpButton", editor_icons[EDITOR_ICON_REMOVE],
+                    Point(ImGui::GetTextLineHeight()), Point(), Point(1.0f),
+                    COLOR_EMPTY, map_alpha(rem_bmp_opacity)
                 )
             ) {
                 //We can't have living particles with destroyed bitmaps,
@@ -1104,15 +1129,13 @@ void ParticleEditor::process_gui_panel_generator() {
                 changes_mgr.mark_as_changed();
             }
             set_tooltip(
-                "Removes the particles' image.\n"
+                "Remove the particles' image.\n"
                 "This makes the particles be circles."
             );
 
             //Choose image button.
             ImGui::SameLine();
-            if(
-                ImGui::Button("Choose image...", ImVec2(0, 30))
-            ) {
+            if(ImGui::Button("Choose image...")) {
                 open_bitmap_dialog(
                 [this] (const string &bmp) {
                     //We can't have living particles with destroyed bitmaps,