fortrangoingonforty/sniffly / dcced97

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sync renderer state with active tab to fix empty tab rendering

Authored by espadonne
SHA
dcced9744d6b68c93ea506ae6f291da46e42916e
Parents
03c6288
Tree
746cd9e

2 changed files

StatusFile+-
M src/gui/gtk_app.f90 4 1
M src/rendering/treemap_renderer.f90 29 1
src/gui/gtk_app.f90modified
@@ -30,7 +30,7 @@ module gtk_app
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                                 set_navigation_callback, get_previous_breadcrumb_path, &
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                                 clear_previous_breadcrumb_path
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   use treemap_renderer, only: register_progress_callback, scan_directory, set_redraw_widget, &
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-                               register_scan_completion_callback
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+                               register_scan_completion_callback, set_renderer_state_from_tab
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   use tab_manager, only: tab_state, init_tab_manager, create_tab, get_active_tab, &
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                          switch_to_tab, num_tabs, active_tab_index, get_path_basename
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   use tab_widget, only: create_tab_bar, refresh_tab_bar, register_tab_switch_callback, &
@@ -938,6 +938,9 @@ contains
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     print *, "  Active tab index: ", active_tab_index
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     print *, "  Tab has_data: ", tab%has_data
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+    ! Sync renderer state with active tab (CRITICAL for correct rendering)
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+    call set_renderer_state_from_tab(tab%root_node, tab%current_view_node, tab%has_data)
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+
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     ! Check if tab has data
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     if (.not. tab%has_data) then
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       print *, "  Tab has no data yet - showing empty tab UI"
src/rendering/treemap_renderer.f90modified
@@ -25,7 +25,8 @@ module treemap_renderer
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             get_node_center_by_index, find_node_in_direction, register_progress_callback, &
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             scan_directory, invalidate_layout, get_current_view_node, remove_selected_node_from_view, &
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             clear_cache, toggle_file_extensions, toggle_age_based_coloring, toggle_size_display_mode, &
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-            toggle_hidden_files, toggle_render_mode, set_redraw_widget, register_scan_completion_callback
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+            toggle_hidden_files, toggle_render_mode, set_redraw_widget, register_scan_completion_callback, &
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+            set_renderer_state_from_tab
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   ! Callback interfaces for progress updates
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   abstract interface
@@ -209,6 +210,33 @@ contains
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     node_ptr => current_view_node
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   end function get_current_view_node
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+  ! Set renderer state from tab (for tab switching)
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+  subroutine set_renderer_state_from_tab(tab_root, tab_current_view, tab_has_data)
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+    type(file_node), pointer, intent(in) :: tab_root, tab_current_view
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+    logical, intent(in) :: tab_has_data
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+
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+    print *, "=== SET_RENDERER_STATE_FROM_TAB ==="
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+    print *, "  tab_has_data: ", tab_has_data
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+
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+    ! Update global renderer state to match the tab
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+    has_data = tab_has_data
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+
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+    if (tab_has_data .and. associated(tab_root)) then
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+      ! Copy tab's tree data to renderer globals
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+      root_node = tab_root
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+      current_view_node => tab_current_view
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+      print *, "  Synced renderer to tab's tree data"
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+    else
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+      ! Empty tab - nullify current view
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+      current_view_node => null()
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+      has_data = .false.
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+      print *, "  Tab is empty - cleared renderer state"
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+    end if
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+
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+    ! Invalidate layout to force recalculation
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+    layout_calculated = .false.
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+  end subroutine set_renderer_state_from_tab
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+
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   ! Scan directory and prepare for rendering
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   subroutine scan_directory(path)
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     use, intrinsic :: iso_c_binding