id-data eyedropprt, currently only accessible via the Ekey,
We need to investigate ways to add options like this without cluttering the interface.
This commit is contained in:
Campbell Barton
parent
b5a5773fa9
commit
03f7885b0a
@ -31,12 +31,15 @@
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#include "DNA_space_types.h"
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#include "DNA_screen_types.h"
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#include "DNA_object_types.h"
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#include "BLI_blenlib.h"
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#include "BLI_math_vector.h"
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#include "BKE_context.h"
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#include "BKE_screen.h"
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#include "BKE_report.h"
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#include "BKE_idcode.h"
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#include "RNA_access.h"
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@ -46,16 +49,25 @@
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#include "IMB_colormanagement.h"
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#include "interface_intern.h"
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#include "WM_api.h"
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#include "WM_types.h"
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#include "interface_intern.h"
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/* for HDR color sampling */
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#include "ED_image.h"
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#include "ED_node.h"
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#include "ED_clip.h"
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/* for ID data eyedropper */
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#include "ED_space_api.h"
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#include "ED_screen.h"
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#include "ED_view3d.h"
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/* -------------------------------------------------------------------- */
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/* Eyedropper
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*/
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/** \name Eyedropper (RGB Color)
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* \{ */
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@ -329,5 +341,299 @@ void UI_OT_eyedropper_color(wmOperatorType *ot)
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/* properties */
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}
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/** \} */
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/* -------------------------------------------------------------------- */
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/* Data Dropper
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*
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* note: datadropper is only internal name to avoid confusion in this file
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*/
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/** \name Eyedropper (ID data-blocks)
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* \{ */
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typedef struct DataDropper {
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PointerRNA ptr;
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PropertyRNA *prop;
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short idcode;
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const char *idcode_name;
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ARegionType *art;
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void *draw_handle_pixel;
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char name[200];
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} DataDropper;
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static void datadropper_draw_cb(const struct bContext *C, ARegion *ar, void *arg)
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{
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DataDropper *ddr = arg;
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int width;
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const char *name = ddr->name;
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wmWindow *win = CTX_wm_window(C);
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int x = win->eventstate->x;
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int y = win->eventstate->y;
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if ((name[0] == '\0') ||
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(BLI_rcti_isect_pt(&ar->winrct, x, y) == false))
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{
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return;
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}
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width = UI_GetStringWidth(name);
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x = x - ar->winrct.xmin;
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y = y - ar->winrct.ymin;
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y += 20;
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glColor4ub(0, 0, 0, 50);
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uiSetRoundBox(UI_CNR_ALL | UI_RB_ALPHA);
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uiRoundBox(x, y, x + width + 8, y + 15, 4);
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glColor4ub(255, 255, 255, 255);
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UI_DrawString(x + 4, y + 4, name);
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}
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static int datadropper_init(bContext *C, wmOperator *op)
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{
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DataDropper *ddr;
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int index_dummy;
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StructRNA *type;
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SpaceType *st;
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ARegionType *art;
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st = BKE_spacetype_from_id(SPACE_VIEW3D);
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art = BKE_regiontype_from_id(st, RGN_TYPE_WINDOW);
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op->customdata = ddr = MEM_callocN(sizeof(DataDropper), "DataDropper");
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uiContextActiveProperty(C, &ddr->ptr, &ddr->prop, &index_dummy);
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if ((ddr->ptr.data == NULL) ||
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(ddr->prop == NULL) ||
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(RNA_property_editable(&ddr->ptr, ddr->prop) == false) ||
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(RNA_property_type(ddr->prop) != PROP_POINTER))
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{
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return false;
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}
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ddr->art = art;
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ddr->draw_handle_pixel = ED_region_draw_cb_activate(art, datadropper_draw_cb, ddr, REGION_DRAW_POST_PIXEL);
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type = RNA_property_pointer_type(&ddr->ptr, ddr->prop);
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ddr->idcode = RNA_type_to_ID_code(type);
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BLI_assert(ddr->idcode != 0);
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ddr->idcode_name = BKE_idcode_to_name(ddr->idcode);
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return true;
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}
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static void datadropper_exit(bContext *C, wmOperator *op)
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{
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DataDropper *ddr = (DataDropper *)op->customdata;
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WM_cursor_modal_restore(CTX_wm_window(C));
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ED_region_draw_cb_exit(ddr->art, ddr->draw_handle_pixel);
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if (op->customdata)
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MEM_freeN(op->customdata);
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op->customdata = NULL;
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}
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static int datadropper_cancel(bContext *C, wmOperator *op)
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{
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datadropper_exit(C, op);
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return OPERATOR_CANCELLED;
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}
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/* *** datadropper id helper functions *** */
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/**
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* \brief get the ID from the screen.
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*
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*/
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static void datadropper_id_sample_pt(bContext *C, DataDropper *ddr, int mx, int my, ID **r_id)
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{
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/* we could use some clever */
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wmWindow *win = CTX_wm_window(C);
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ScrArea *sa;
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ScrArea *area_prev = CTX_wm_area(C);
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ARegion *ar_prev = CTX_wm_region(C);
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ddr->name[0] = '\0';
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for (sa = win->screen->areabase.first; sa; sa = sa->next) {
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if (BLI_rcti_isect_pt(&sa->totrct, mx, my)) {
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if (sa->spacetype == SPACE_VIEW3D) {
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ARegion *ar = BKE_area_find_region_type(sa, RGN_TYPE_WINDOW);
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if (ar && BLI_rcti_isect_pt(&ar->winrct, mx, my)) {
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int mval[2] = {mx - ar->winrct.xmin,
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my - ar->winrct.ymin};
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Base *base;
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CTX_wm_area_set(C, sa);
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CTX_wm_region_set(C, ar);
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/* grr, always draw else we leave stale text */
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ED_region_tag_redraw(ar);
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base = ED_view3d_give_base_under_cursor(C, mval);
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if (base) {
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Object *ob = base->object;
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ID *id = NULL;
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if (ddr->idcode == ID_OB) {
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id = (ID *)ob;
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}
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else if (ob->data) {
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if (GS(((ID *)ob->data)->name) == ddr->idcode) {
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id = (ID *)ob->data;
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}
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else {
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BLI_snprintf(ddr->name, sizeof(ddr->name), "Incompatible, expected a %s",
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ddr->idcode_name);
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}
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}
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if (id) {
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BLI_snprintf(ddr->name, sizeof(ddr->name), "%s: %s",
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ddr->idcode_name, id->name + 2);
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*r_id = id;
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}
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break;
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}
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}
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}
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}
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}
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CTX_wm_area_set(C, area_prev);
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CTX_wm_region_set(C, ar_prev);
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}
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/* sets the ID, returns success */
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static bool datadropper_id_set(bContext *C, DataDropper *ddr, ID *id)
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{
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PointerRNA ptr_value;
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RNA_id_pointer_create(id, &ptr_value);
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RNA_property_pointer_set(&ddr->ptr, ddr->prop, ptr_value);
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RNA_property_update(C, &ddr->ptr, ddr->prop);
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ptr_value = RNA_property_pointer_get(&ddr->ptr, ddr->prop);
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return (ptr_value.id.data == id);
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}
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/* single point sample & set */
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static bool datadropper_id_sample(bContext *C, DataDropper *ddr, int mx, int my)
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{
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ID *id = NULL;
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datadropper_id_sample_pt(C, ddr, mx, my, &id);
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return datadropper_id_set(C, ddr, id);
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}
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/* main modal status check */
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static int datadropper_modal(bContext *C, wmOperator *op, const wmEvent *event)
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{
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DataDropper *ddr = (DataDropper *)op->customdata;
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switch (event->type) {
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case ESCKEY:
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case RIGHTMOUSE:
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return datadropper_cancel(C, op);
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case LEFTMOUSE:
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if (event->val == KM_RELEASE) {
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bool success;
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success = datadropper_id_sample(C, ddr, event->x, event->y);
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datadropper_exit(C, op);
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if (success) {
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return OPERATOR_FINISHED;
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}
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else {
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BKE_report(op->reports, RPT_WARNING, "Failed to set value");
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return OPERATOR_CANCELLED;
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}
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}
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break;
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case MOUSEMOVE:
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{
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ID *id = NULL;
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datadropper_id_sample_pt(C, ddr, event->x, event->y, &id);
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break;
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}
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}
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return OPERATOR_RUNNING_MODAL;
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}
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/* Modal Operator init */
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static int datadropper_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
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{
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/* init */
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if (datadropper_init(C, op)) {
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WM_cursor_modal_set(CTX_wm_window(C), BC_EYEDROPPER_CURSOR);
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/* add temp handler */
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WM_event_add_modal_handler(C, op);
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return OPERATOR_RUNNING_MODAL;
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}
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else {
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datadropper_exit(C, op);
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return OPERATOR_CANCELLED;
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}
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}
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/* Repeat operator */
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static int datadropper_exec(bContext *C, wmOperator *op)
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{
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/* init */
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if (datadropper_init(C, op)) {
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/* cleanup */
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datadropper_exit(C, op);
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return OPERATOR_FINISHED;
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}
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else {
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return OPERATOR_CANCELLED;
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}
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}
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static int datadropper_poll(bContext *C)
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{
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if (!CTX_wm_window(C)) return 0;
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else return 1;
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}
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void UI_OT_eyedropper_id(wmOperatorType *ot)
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{
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/* identifiers */
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ot->name = "Eyedropper Datablock";
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ot->idname = "UI_OT_eyedropper_id";
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ot->description = "Sample a color from the Blender Window to store in a property";
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/* api callbacks */
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ot->invoke = datadropper_invoke;
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ot->modal = datadropper_modal;
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ot->cancel = datadropper_cancel;
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ot->exec = datadropper_exec;
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ot->poll = datadropper_poll;
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/* flags */
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ot->flag = OPTYPE_BLOCKING;
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/* properties */
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}
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/** \} */
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@ -5415,6 +5415,16 @@ static int ui_do_button(bContext *C, uiBlock *block, uiBut *but, const wmEvent *
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WM_operator_name_call(C, "UI_OT_eyedropper_color", WM_OP_INVOKE_DEFAULT, NULL);
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return WM_UI_HANDLER_BREAK;
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}
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else if (but->type == SEARCH_MENU_UNLINK) {
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if (but->rnaprop && RNA_property_type(but->rnaprop) == PROP_POINTER) {
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StructRNA *type = RNA_property_pointer_type(&but->rnapoin, but->rnaprop);
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const short idcode = RNA_type_to_ID_code(type);
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if ((idcode == ID_OB) || OB_DATA_SUPPORT_ID(idcode)) {
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WM_operator_name_call(C, "UI_OT_eyedropper_id", WM_OP_INVOKE_DEFAULT, NULL);
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return WM_UI_HANDLER_BREAK;
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}
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}
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}
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}
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}
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/* handle keyframing */
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@ -586,5 +586,6 @@ void ui_but_anim_autokey(struct bContext *C, uiBut *but, struct Scene *scene, fl
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/* interface_eyedropper.c */
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void UI_OT_eyedropper_color(struct wmOperatorType *ot);
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void UI_OT_eyedropper_id(struct wmOperatorType *ot);
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#endif /* __INTERFACE_INTERN_H__ */
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@ -843,4 +843,5 @@ void UI_buttons_operatortypes(void)
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/* external */
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WM_operatortype_append(UI_OT_eyedropper_color);
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WM_operatortype_append(UI_OT_eyedropper_id);
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}
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