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LibGUI: Support double-click resizing column headers

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Columns can now be best-fit resized by double-clicking their
grabbable edges. When a default width is set and all data is empty,
double-clicking will restore the column to its original state.
This commit is contained in:
thankyouverycool 2021-03-17 20:11:44 -04:00 • committed by Andreas Kling
parent 663fd9abb4
commit 3cc7862487
4 changed files with 93 additions and 0 deletions
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9
Userland/Libraries/LibGUI/HeaderView.h
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@ -45,6 +45,10 @@ public:
void set_section_size(int section, int size);
int section_size(int section) const;
void set_default_section_size(int section, int size);
int default_section_size(int section) const;
bool is_default_section_size_initialized(int section) const;
Gfx::TextAlignment section_alignment(int section) const;
void set_section_alignment(int section, Gfx::TextAlignment);
@ -54,6 +58,8 @@ public:
int section_count() const;
Gfx::IntRect section_rect(int section) const;
Function<void(int section)> on_resize_doubleclick;
private:
HeaderView(AbstractTableView&, Gfx::Orientation);
@ -61,6 +67,7 @@ private:
virtual void mousedown_event(MouseEvent&) override;
virtual void mousemove_event(MouseEvent&) override;
virtual void mouseup_event(MouseEvent&) override;
virtual void doubleclick_event(MouseEvent&) override;
virtual void context_menu_event(ContextMenuEvent&) override;
virtual void leave_event(Core::Event&) override;
@ -78,7 +85,9 @@ private:
struct SectionData {
int size { 0 };
int default_size { 0 };
bool has_initialized_size { false };
bool has_initialized_default_size { false };
bool visibility { true };
RefPtr<Action> visibility_action;
Gfx::TextAlignment alignment { Gfx::TextAlignment::CenterLeft };