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Tables: (Breaking) Rename TableNextCell() to TableNextColumn(), made TableNextRow() NOT enter into first column.

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ocornut
2020-10-01 14:03:25 +02:00
parent b1ebf964f5
commit 6182973bde
3 changed files with 69 additions and 52 deletions
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30
imgui.h
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@@ -653,7 +653,7 @@ namespace ImGui
IMGUI_API bool IsPopupOpen(const char* str_id, ImGuiPopupFlags flags = 0); // return true if the popup is open.
// Tables
// [ALPHA API] API will evolve! (see: FIXME-TABLE)
// [ALPHA API] API may evolve!
// - Full-featured replacement for old Columns API
// - See Demo->Tables for details.
// - See ImGuiTableFlags_ and ImGuiTableColumnsFlags_ enums for a description of available flags.
@@ -662,28 +662,36 @@ namespace ImGui
// - 2. Optionally call TableSetupColumn() to submit column name/flags/defaults
// - 3. Optionally call TableSetupScrollFreeze() to request scroll freezing of columns/rows
// - 4. Optionally call TableHeadersRow() to submit a header row (names will be pulled from data submitted to TableSetupColumns)
// - 4. Populate contents
// - In most situations you can use TableNextRow() + TableSetColumnIndex() to start appending into a column.
// - If you are using tables as a sort of grid, where every columns is holding the same type of contents,
// you may prefer using TableNextCell() instead of TableNextRow() + TableSetColumnIndex().
// - Submit your content with regular ImGui function.
// - 5. Populate contents
// - In most situations you can use TableNextRow() + TableSetColumnIndex(xx) to start appending into a column.
// - If you are using tables as a sort of grid, where every columns is holding the same type of contents,
// you may prefer using TableNextColumn() instead of TableNextRow() + TableSetColumnIndex().
// TableNextColumn() will automatically wrap-around into the next row if needed.
// - IMPORTANT: Comparatively to the old Columns() API, we need to call TableNextColumn() for the first column!
// - Summary of possible call flow:
// ----------------------------------------------------------------------------------------------------------
// TableNextRow() -> TableSetColumnIndex(0) -> Text("Hello 0") -> TableSetColumnIndex(1) -> Text("Hello 1") // OK
// TableNextRow() -> TableNextColumn() Text("Hello 0") -> TableNextColumn() -> Text("Hello 1") // OK
// TableNextColumn() Text("Hello 0") -> TableNextColumn() -> Text("Hello 1") // OK: TableNextColumn() automatically gets to next row!
// TableNextRow() Text("Hello 0") // Not OK! Missing TableSetColumnIndex() or TableNextColumn()! Text will not appear!
// ----------------------------------------------------------------------------------------------------------
// - 5. Call EndTable()
#define IMGUI_HAS_TABLE 1
IMGUI_API bool BeginTable(const char* str_id, int columns_count, ImGuiTableFlags flags = 0, const ImVec2& outer_size = ImVec2(0, 0), float inner_width = 0.0f);
IMGUI_API void EndTable(); // only call EndTable() if BeginTable() returns true!
IMGUI_API void TableNextRow(ImGuiTableRowFlags row_flags = 0, float min_row_height = 0.0f); // append into the first cell of a new row.
IMGUI_API bool TableNextCell(); // append into the next column (next column, or next row if currently in last column). Return true if column is visible.
IMGUI_API bool TableNextColumn(); // append into the next column (or first column of next row if currently in last column). Return true if column is visible.
IMGUI_API bool TableSetColumnIndex(int column_n); // append into the specified column. Return true if column is visible.
IMGUI_API int TableGetColumnIndex(); // return current column index.
// Tables: Headers & Columns declaration
// - Use TableSetupScrollFreeze() to lock columns (from the right) or rows (from the top) so they stay visible when scrolled.
// - Use TableSetupColumn() to specify label, resizing policy, default width, id, various other flags etc.
// Important: this will not display anything! The name passed to TableSetupColumn() is used by TableHeadersRow() and context-menus.
// - Use TableHeadersRow() to create a row and automatically submit a TableHeader() for each column.
// Headers are required to perform some interactions: reordering, sorting, context menu (FIXME-TABLE: context menu should work without!)
// - You may manually submit headers using TableNextRow() + TableHeader() calls, but this is only useful in some advanced cases (e.g. adding custom widgets in header row).
IMGUI_API void TableSetupScrollFreeze(int columns, int rows);
// - Use TableSetupScrollFreeze() to lock columns (from the right) or rows (from the top) so they stay visible when scrolled.
IMGUI_API void TableSetupColumn(const char* label, ImGuiTableColumnFlags flags = 0, float init_width_or_weight = -1.0f, ImU32 user_id = 0);
IMGUI_API void TableSetupScrollFreeze(int cols, int rows); // lock columns/rows so they stay visible when scrolled.
IMGUI_API void TableHeadersRow(); // submit all headers cells based on data provided to TableSetupColumn() + submit context menu
IMGUI_API void TableHeader(const char* label); // submit one header cell manually (rarely used)
// Tables: Miscellaneous functions
@@ -694,13 +702,13 @@ namespace ImGui
// Lifetime: don't hold on this pointer over multiple frames or past any subsequent call to BeginTable().
IMGUI_API int TableGetColumnCount(); // return number of columns (value passed to BeginTable)
IMGUI_API const char* TableGetColumnName(int column_n = -1); // return NULL if column didn't have a name declared by TableSetupColumn(). Pass -1 to use current column.
IMGUI_API bool TableGetColumnIsVisible(int column_n = -1); // return true if column is visible. Same value is also returned by TableNextCell() and TableSetColumnIndex(). Pass -1 to use current column.
IMGUI_API bool TableGetColumnIsVisible(int column_n = -1); // return true if column is visible. Same value is also returned by TableNextColumn() and TableSetColumnIndex(). Pass -1 to use current column.
IMGUI_API bool TableGetColumnIsSorted(int column_n = -1); // return true if column is included in the sort specs. Rarely used, can be useful to tell if a data change should trigger resort. Equivalent to test ImGuiTableSortSpecs's ->ColumnsMask & (1 << column_n). Pass -1 to use current column.
IMGUI_API int TableGetHoveredColumn(); // return hovered column. return -1 when table is not hovered. return columns_count if the unused space at the right of visible columns is hovered.
IMGUI_API ImGuiTableSortSpecs* TableGetSortSpecs(); // get latest sort specs for the table (NULL if not sorting).
IMGUI_API void TableSetBgColor(ImGuiTableBgTarget bg_target, ImU32 color, int column_n = -1); // change the color of a cell, row, or column. See ImGuiTableBgTarget_ flags for details.
// Columns (Legacy API, prefer using Tables)
// Legacy Columns API (2020: prefer using Tables!)
// - You can also use SameLine(pos_x) to mimic simplified columns.
IMGUI_API void Columns(int count = 1, const char* id = NULL, bool border = true);
IMGUI_API void NextColumn(); // next column, defaults to current row or next row if the current row is finished