1 files changed, 161 insertions, 0 deletions
diff --git a/source/blender/editors/interface/eyedroppers/interface_eyedropper.c b/source/blender/editors/interface/eyedroppers/interface_eyedropper.c
new file mode 100644
index 00000000000..c6fb8f0ab68
--- /dev/null
+++ b/source/blender/editors/interface/eyedroppers/interface_eyedropper.c
@@ -0,0 +1,161 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later
+ * Copyright 2009 Blender Foundation. All rights reserved. */
+
+/** \file
+ * \ingroup edinterface
+ */
+
+#include "DNA_screen_types.h"
+#include "DNA_space_types.h"
+
+#include "BLI_math_color.h"
+#include "BLI_math_vector.h"
+
+#include "BKE_context.h"
+#include "BKE_screen.h"
+
+#include "UI_interface.h"
+
+#include "WM_api.h"
+#include "WM_types.h"
+
+#include "interface_intern.h"
+
+#include "eyedropper_intern.h" /* own include */
+
+/* -------------------------------------------------------------------- */
+/* Keymap
+ */
+/** \name Modal Keymap
+ * \{ */
+
+wmKeyMap *eyedropper_modal_keymap(wmKeyConfig *keyconf)
+{
+  static const EnumPropertyItem modal_items[] = {
+      {EYE_MODAL_CANCEL, "CANCEL", 0, "Cancel", ""},
+      {EYE_MODAL_SAMPLE_CONFIRM, "SAMPLE_CONFIRM", 0, "Confirm Sampling", ""},
+      {EYE_MODAL_SAMPLE_BEGIN, "SAMPLE_BEGIN", 0, "Start Sampling", ""},
+      {EYE_MODAL_SAMPLE_RESET, "SAMPLE_RESET", 0, "Reset Sampling", ""},
+      {0, NULL, 0, NULL, NULL},
+  };
+
+  wmKeyMap *keymap = WM_modalkeymap_find(keyconf, "Eyedropper Modal Map");
+
+  /* this function is called for each spacetype, only needs to add map once */
+  if (keymap && keymap->modal_items) {
+    return NULL;
+  }
+
+  keymap = WM_modalkeymap_ensure(keyconf, "Eyedropper Modal Map", modal_items);
+
+  /* assign to operators */
+  WM_modalkeymap_assign(keymap, "UI_OT_eyedropper_colorramp");
+  WM_modalkeymap_assign(keymap, "UI_OT_eyedropper_color");
+  WM_modalkeymap_assign(keymap, "UI_OT_eyedropper_id");
+  WM_modalkeymap_assign(keymap, "UI_OT_eyedropper_depth");
+  WM_modalkeymap_assign(keymap, "UI_OT_eyedropper_driver");
+  WM_modalkeymap_assign(keymap, "UI_OT_eyedropper_gpencil_color");
+
+  return keymap;
+}
+
+wmKeyMap *eyedropper_colorband_modal_keymap(wmKeyConfig *keyconf)
+{
+  static const EnumPropertyItem modal_items_point[] = {
+      {EYE_MODAL_POINT_CANCEL, "CANCEL", 0, "Cancel", ""},
+      {EYE_MODAL_POINT_SAMPLE, "SAMPLE_SAMPLE", 0, "Sample a Point", ""},
+      {EYE_MODAL_POINT_CONFIRM, "SAMPLE_CONFIRM", 0, "Confirm Sampling", ""},
+      {EYE_MODAL_POINT_RESET, "SAMPLE_RESET", 0, "Reset Sampling", ""},
+      {0, NULL, 0, NULL, NULL},
+  };
+
+  wmKeyMap *keymap = WM_modalkeymap_find(keyconf, "Eyedropper ColorRamp PointSampling Map");
+  if (keymap && keymap->modal_items) {
+    return keymap;
+  }
+
+  keymap = WM_modalkeymap_ensure(
+      keyconf, "Eyedropper ColorRamp PointSampling Map", modal_items_point);
+
+  /* assign to operators */
+  WM_modalkeymap_assign(keymap, "UI_OT_eyedropper_colorramp_point");
+
+  return keymap;
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/* Utility Functions
+ */
+
+/** \name Generic Shared Functions
+ * \{ */
+
+static void eyedropper_draw_cursor_text_ex(const int xy[2], const char *name)
+{
+  const uiFontStyle *fstyle = UI_FSTYLE_WIDGET;
+
+  /* Use the theme settings from tooltips. */
+  const bTheme *btheme = UI_GetTheme();
+  const uiWidgetColors *wcol = &btheme->tui.wcol_tooltip;
+
+  float col_fg[4], col_bg[4];
+  rgba_uchar_to_float(col_fg, wcol->text);
+  rgba_uchar_to_float(col_bg, wcol->inner);
+
+  UI_fontstyle_draw_simple_backdrop(fstyle, xy[0], xy[1] + U.widget_unit, name, col_fg, col_bg);
+}
+
+void eyedropper_draw_cursor_text_window(const struct wmWindow *window, const char *name)
+{
+  if (name[0] == '\0') {
+    return;
+  }
+
+  eyedropper_draw_cursor_text_ex(window->eventstate->xy, name);
+}
+
+void eyedropper_draw_cursor_text_region(const int xy[2], const char *name)
+{
+  if (name[0] == '\0') {
+    return;
+  }
+
+  eyedropper_draw_cursor_text_ex(xy, name);
+}
+
+uiBut *eyedropper_get_property_button_under_mouse(bContext *C, const wmEvent *event)
+{
+  bScreen *screen = CTX_wm_screen(C);
+  ScrArea *area = BKE_screen_find_area_xy(screen, SPACE_TYPE_ANY, event->xy);
+  const ARegion *region = BKE_area_find_region_xy(area, RGN_TYPE_ANY, event->xy);
+
+  uiBut *but = ui_but_find_mouse_over(region, event);
+
+  if (ELEM(NULL, but, but->rnapoin.data, but->rnaprop)) {
+    return NULL;
+  }
+  return but;
+}
+
+void datadropper_win_area_find(
+    const bContext *C, const int mval[2], int r_mval[2], wmWindow **r_win, ScrArea **r_area)
+{
+  bScreen *screen = CTX_wm_screen(C);
+
+  *r_win = CTX_wm_window(C);
+  *r_area = BKE_screen_find_area_xy(screen, SPACE_TYPE_ANY, mval);
+  if (*r_area == NULL) {
+    *r_win = WM_window_find_under_cursor(*r_win, mval, r_mval);
+    if (*r_win) {
+      screen = WM_window_get_active_screen(*r_win);
+      *r_area = BKE_screen_find_area_xy(screen, SPACE_TYPE_ANY, r_mval);
+    }
+  }
+  else if (mval != r_mval) {
+    copy_v2_v2_int(r_mval, mval);
+  }
+}
+
+/** \} */