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Tables: Made TableHeader() responsible for opening per-column context menu to move responsibility away from TableAutoHeaders().

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This commit is contained in:
omar 2020-06-19 17:28:06 +02:00 committed by ocornut
parent 27e779b3ef
commit 745d8cdb49
2 changed files with 17 additions and 21 deletions
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3
imgui_demo.cpp
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@ -3960,13 +3960,12 @@ static void ShowDemoWindowTables()
}
// Demonstrate using TableHeader() calls instead of TableAutoHeaders()
// FIXME-TABLE: Currently this doesn't get us feature-parity with TableAutoHeaders(), e.g. missing context menu. Tables API needs some work!
if (open_action != -1)
ImGui::SetNextItemOpen(open_action != 0);
if (ImGui::TreeNode("Custom headers"))
{
const int COLUMNS_COUNT = 3;
if (ImGui::BeginTable("##table1", COLUMNS_COUNT, ImGuiTableFlags_Borders | ImGuiTableFlags_Reorderable))
if (ImGui::BeginTable("##table1", COLUMNS_COUNT, ImGuiTableFlags_Borders | ImGuiTableFlags_Reorderable | ImGuiTableFlags_Hideable))
{
ImGui::TableSetupColumn("Apricot");
ImGui::TableSetupColumn("Banana");

35
imgui_tables.cpp
View File

@ -874,7 +874,8 @@ void ImGui::TableUpdateLayout(ImGuiTable* table)
// Context menu
if (table->IsContextPopupOpen && table->InstanceCurrent == table->InstanceInteracted)
{
if (BeginPopup("##TableContextMenu"))
const ImGuiID context_menu_id = ImHashStr("##ContextMenu", 0, table->ID);
if (BeginPopupEx(context_menu_id, ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoSavedSettings))
{
TableDrawContextMenu(table);
EndPopup();
@ -2010,20 +2011,19 @@ void ImGui::TableOpenContextMenu(ImGuiTable* table, int column_n)
table->IsContextPopupOpen = true;
table->ContextPopupColumn = (ImS8)column_n;
table->InstanceInteracted = table->InstanceCurrent;
OpenPopup("##TableContextMenu");
const ImGuiID context_menu_id = ImHashStr("##ContextMenu", 0, table->ID);
OpenPopupEx(context_menu_id, ImGuiPopupFlags_None);
}
}
// This is a helper to output TableHeader() calls based on the column names declared in TableSetupColumn().
// The intent is that advanced users willing to create customized headers would not need to use this helper
// and can create their own! For example: TableHeader() may be preceeded by Checkbox() or other custom widgets.
// FIXME-TABLE: However presently this function uses too many internal structures/calls.
void ImGui::TableAutoHeaders()
{
ImGuiStyle& style = ImGui::GetStyle();
ImGuiContext& g = *GImGui;
//ImGuiWindow* window = g.CurrentWindow;
ImGuiTable* table = g.CurrentTable;
IM_ASSERT(table != NULL && "Need to call TableAutoHeaders() after BeginTable()!");
const int columns_count = table->ColumnsCount;
@ -2043,7 +2043,6 @@ void ImGui::TableAutoHeaders()
// This for loop is constructed to not make use of internal functions,
// as this is intended to be a base template to copy and build from.
int open_context_popup = INT_MAX;
for (int column_n = 0; column_n < columns_count; column_n++)
{
if (!TableSetColumnIndex(column_n))
@ -2071,25 +2070,19 @@ void ImGui::TableAutoHeaders()
PushID(table->InstanceCurrent * table->ColumnsCount + column_n);
TableHeader(name);
PopID();
// We don't use BeginPopupContextItem() because we want the popup to stay up even after the column is hidden
if (IsMouseReleased(1) && IsItemHovered())
open_context_popup = column_n;
}
// FIXME-TABLE: This is not user-land code any more + need to explain WHY this is here! (added in fa88f023)
//window->SkipItems = table->HostSkipItems;
// Allow opening popup from the right-most section after the last column
// (We don't actually need to ImGuiHoveredFlags_AllowWhenBlockedByPopup because in reality this is generally
// not required anymore.. because popup opening code tends to be reacting on IsMouseReleased() and the click
// would already have closed any other popups!)
if (IsMouseReleased(1) && TableGetHoveredColumn() == columns_count && g.IO.MousePos.y >= row_y1 && g.IO.MousePos.y < row_y1 + row_height)
open_context_popup = -1; // Will open a non-column-specific popup.
// Open Context Menu
if (open_context_popup != INT_MAX)
TableOpenContextMenu(table, open_context_popup);
// Allow opening popup from the right-most section after the last column.
// (We don't actually need to use ImGuiHoveredFlags_AllowWhenBlockedByPopup because in reality this is generally
// not required anymore.. because popup opening code tends to be reacting on IsMouseReleased() and the click would
// already have closed any other popups!)
// FIXME-TABLE: TableOpenContextMenu() is not public yet.
if (IsMouseReleased(1) && TableGetHoveredColumn() == columns_count)
if (g.IO.MousePos.y >= row_y1 && g.IO.MousePos.y < row_y1 + row_height)
TableOpenContextMenu(table, -1); // Will open a non-column-specific popup.
}
// Emit a column header (text + optional sort order)
@ -2214,6 +2207,10 @@ void ImGui::TableHeader(const char* label)
column->ContentMaxPosHeadersIdeal = ImMax(column->ContentMaxPosHeadersIdeal, max_pos_x);
PopID();
// We don't use BeginPopupContextItem() because we want the popup to stay up even after the column is hidden
if (IsMouseReleased(1) && IsItemHovered())
TableOpenContextMenu(table, column_n);
}
void ImGui::TableSortSpecsClickColumn(ImGuiTable* table, ImGuiTableColumn* clicked_column, bool add_to_existing_sort_orders)