WIP: UI: Optional Complex Layout for Workspace Status

Work in progress in optionally allowing complex layout instead of
current plain text of ED_workspace_status_text.

@@ -20,0 +22,4 @@
+  int icon;
+  std::string text;
+  float space_factor;
+};

@@ -452,0 +455,4 @@
+void ED_workspace_status_begin(bContext *C);
+/* Adds a new item to the status bar. */
+void ED_workspace_status_item(bContext *C,
+                              const std::string text = {},

@@ -452,0 +459,4 @@
+                              const int icon = 0,
+                              const float space_factor = 0.0f);
+
+void ED_workspace_status_item(bContext *C, std::string text, const int icon, const bool enabled);

@@ -452,0 +466,4 @@
+
+/* Adds one or more icons to the status bar. */
+void ED_workspace_status_icons(bContext *C, const int icon);
+void ED_workspace_status_icons(bContext *C, const int icon1, const int icon2);

@@ -866,0 +964,4 @@
+    bContext *C, std::string text, wmOperatorType *ot, const int propvalue, const bool enabled)
+{
+  text += ": ";
+  text += enabled ? "✔" : "🚫";

@@ -802,2 +794,4 @@
 
   ED_area_status_text(t->area, str);
+
+  wmOperator *op = WM_window_modal_operator(t->context);

@@ -804,0 +801,4 @@
+
+  ED_workspace_status_begin(t->context);
+
+  ED_workspace_status_opmodal(t->context, TIP_("Confirm"), op->type, TFM_MODAL_CONFIRM);

@@ -139,2 +139,2 @@
-  /** Info text from modal operators (runtime). */
-  char *status_text;
+  /** Info from modal operators to display in status bar (runtime). WorkSpaceStatusItem. */
+  ListBase status;

@@ -18,2 +18,4 @@
 struct WorkSpaceLayout;
 
+struct WorkSpaceStatusItem {
+  struct WorkSpaceStatusItem *next, *prev;

@@ -20,0 +28,4 @@
+namespace blender::bke {
+
+struct WorkSpaceRuntime {
+  blender::Vector<WorkSpaceStatusItem *> status = {};

@@ -20,0 +22,4 @@
+  int icon = 0;
+  std::string text;
+  float space_factor;
+  bool inverted;