forked from bartvdbraak/blender
2.5
Modal keymaps.
I've tried to make it as simple as possible, yet still using sufficient facilities to enable self-documenting UIs, saving/reading in files, and proper Python support.
The simplicity is: the 'modal keymap' just checks an event, uses event matching similarly to other keymap matching, and if there's a match it changes the event type, and sets the event value to what the modal keymap has defined. The event values are being defined using EnumPropertyItem structs, so the UI will be able to show all options in self-documenting way.
This system also allows to still handle hardcoded own events.
Tech doc:
1) define keymap
- Create map with unique name, WM_modalkeymap_add()
- Give map property definitions (EnumPropertyItem *)
This only for UI, so user can get information on available options
2) items
- WM_modalkeymap_add_item(): give it an enum value for events
3) activate
- In keymap definition code, assign the modal keymap to operatortype
WM_modalkeymap_assign()
4) event manager
- The event handler will check for modal keymap, if so:
- If the modal map has a match:
- Sets event->type to EVT_MODAL_MAP
- Sets event->val to the enum value
5) modal handler
- If event type is EVT_MODAL_MAP:
- Check event->val, handle it
- Other events can just be handled still
Two examples added in the code:
editors/transform/transform.c: transform_modal_keymap()
editors/screen/screen_ops.c: keymap_modal_set()
Also: to support 'key release' the define KM_RELEASE now is officially
used in event manager, this is not '0', so don't check key events with
the old convention if(event->val) but use if(event->val==KM_PRESS)
This commit is contained in:
Ton Roosendaal
parent
0865bf2959
commit
ed92105857
@ -76,6 +76,11 @@
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#include "screen_intern.h" /* own module include */
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#define KM_MODAL_CANCEL 1
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#define KM_MODAL_APPLY 2
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#define KM_MODAL_STEP10 3
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#define KM_MODAL_STEP10_OFF 4
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/* ************** Exported Poll tests ********************** */
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int ED_operator_regionactive(bContext *C)
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@ -719,7 +724,7 @@ static void SCREEN_OT_area_dupli(wmOperatorType *ot)
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*/
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typedef struct sAreaMoveData {
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int bigger, smaller, origval;
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int bigger, smaller, origval, step;
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char dir;
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} sAreaMoveData;
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@ -876,32 +881,40 @@ static int area_move_cancel(bContext *C, wmOperator *op)
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/* modal callback for while moving edges */
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static int area_move_modal(bContext *C, wmOperator *op, wmEvent *event)
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{
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sAreaMoveData *md;
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sAreaMoveData *md= op->customdata;
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int delta, x, y;
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md= op->customdata;
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x= RNA_int_get(op->ptr, "x");
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y= RNA_int_get(op->ptr, "y");
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/* execute the events */
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switch(event->type) {
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case MOUSEMOVE:
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x= RNA_int_get(op->ptr, "x");
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y= RNA_int_get(op->ptr, "y");
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delta= (md->dir == 'v')? event->x - x: event->y - y;
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if(md->step) delta= delta - (delta % md->step);
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RNA_int_set(op->ptr, "delta", delta);
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area_move_apply(C, op);
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break;
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case LEFTMOUSE:
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if(event->val==0) {
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case EVT_MODAL_MAP:
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switch (event->val) {
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case KM_MODAL_APPLY:
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area_move_exit(C, op);
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return OPERATOR_FINISHED;
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}
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break;
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case ESCKEY:
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case KM_MODAL_CANCEL:
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return area_move_cancel(C, op);
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case KM_MODAL_STEP10:
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md->step= 10;
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break;
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case KM_MODAL_STEP10_OFF:
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md->step= 0;
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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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@ -2877,6 +2890,31 @@ void ED_operatortypes_screen(void)
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}
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static void keymap_modal_set(wmWindowManager *wm)
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{
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static EnumPropertyItem modal_items[] = {
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{KM_MODAL_CANCEL, "CANCEL", 0, "Cancel", ""},
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{KM_MODAL_APPLY, "APPLY", 0, "Apply", ""},
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{KM_MODAL_STEP10, "STEP10", 0, "Steps on", ""},
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{KM_MODAL_STEP10_OFF, "STEP10_OFF", 0, "Steps off", ""},
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{0, NULL, 0, NULL, NULL}};
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wmKeyMap *keymap;
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/* Standard Modal keymap ------------------------------------------------ */
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keymap= WM_modalkeymap_add(wm, "Standard Modal Map", modal_items);
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WM_modalkeymap_add_item(keymap, ESCKEY, KM_PRESS, KM_ANY, 0, KM_MODAL_CANCEL);
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WM_modalkeymap_add_item(keymap, LEFTMOUSE, KM_ANY, KM_ANY, 0, KM_MODAL_APPLY);
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WM_modalkeymap_add_item(keymap, RETKEY, KM_PRESS, KM_ANY, 0, KM_MODAL_APPLY);
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WM_modalkeymap_add_item(keymap, PADENTER, KM_PRESS, KM_ANY, 0, KM_MODAL_APPLY);
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WM_modalkeymap_add_item(keymap, LEFTCTRLKEY, KM_PRESS, KM_ANY, 0, KM_MODAL_STEP10);
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WM_modalkeymap_add_item(keymap, LEFTCTRLKEY, KM_RELEASE, KM_ANY, 0, KM_MODAL_STEP10_OFF);
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WM_modalkeymap_assign(keymap, "SCREEN_OT_area_move");
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}
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/* called in spacetypes.c */
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void ED_keymap_screen(wmWindowManager *wm)
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{
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@ -2948,5 +2986,7 @@ void ED_keymap_screen(wmWindowManager *wm)
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/* play (forward and backwards) */
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WM_keymap_add_item(keymap, "SCREEN_OT_animation_play", AKEY, KM_PRESS, KM_ALT, 0);
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RNA_boolean_set(WM_keymap_add_item(keymap, "SCREEN_OT_animation_play", AKEY, KM_PRESS, KM_ALT|KM_SHIFT, 0)->ptr, "reverse", 1);
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keymap_modal_set(wm);
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}
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@ -496,6 +496,63 @@ static char *transform_to_undostr(TransInfo *t)
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/* ************************************************* */
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/* NOTE: these defines are saved in keymap files, do not change values but just add new ones */
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#define TFM_MODAL_CANCEL 1
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#define TFM_MODAL_CONFIRM 2
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#define TFM_MODAL_TRANSLATE 3
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#define TFM_MODAL_ROTATE 4
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#define TFM_MODAL_RESIZE 5
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#define TFM_MODAL_SNAP_GEARS 6
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#define TFM_MODAL_SNAP_GEARS_OFF 7
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/* called in transform_ops.c, on each regeneration of keymaps */
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void transform_modal_keymap(wmWindowManager *wm)
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{
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static EnumPropertyItem modal_items[] = {
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{TFM_MODAL_CANCEL, "CANCEL", 0, "Cancel", ""},
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{TFM_MODAL_CONFIRM, "CONFIRM", 0, "Confirm", ""},
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{TFM_MODAL_TRANSLATE, "TRANSLATE", 0, "Translate", ""},
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{TFM_MODAL_ROTATE, "ROTATE", 0, "Rotate", ""},
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{TFM_MODAL_RESIZE, "RESIZE", 0, "Resize", ""},
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{TFM_MODAL_SNAP_GEARS, "SNAP_GEARS", 0, "Snap On", ""},
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{TFM_MODAL_SNAP_GEARS_OFF, "SNAP_GEARS_OFF", 0, "Snap Off", ""},
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{0, NULL, 0, NULL, NULL}};
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wmKeyMap *keymap= WM_modalkeymap_get(wm, "Transform Modal Map");
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/* this function is called for each spacetype, only needs to add map once */
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if(keymap) return;
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keymap= WM_modalkeymap_add(wm, "Transform Modal Map", modal_items);
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/* items for modal map */
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WM_modalkeymap_add_item(keymap, ESCKEY, KM_PRESS, KM_ANY, 0, TFM_MODAL_CANCEL);
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WM_modalkeymap_add_item(keymap, LEFTMOUSE, KM_ANY, KM_ANY, 0, TFM_MODAL_CONFIRM);
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WM_modalkeymap_add_item(keymap, RETKEY, KM_PRESS, KM_ANY, 0, TFM_MODAL_CONFIRM);
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WM_modalkeymap_add_item(keymap, PADENTER, KM_PRESS, KM_ANY, 0, TFM_MODAL_CONFIRM);
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WM_modalkeymap_add_item(keymap, GKEY, KM_PRESS, 0, 0, TFM_MODAL_TRANSLATE);
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WM_modalkeymap_add_item(keymap, RKEY, KM_PRESS, 0, 0, TFM_MODAL_ROTATE);
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WM_modalkeymap_add_item(keymap, SKEY, KM_PRESS, 0, 0, TFM_MODAL_RESIZE);
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WM_modalkeymap_add_item(keymap, LEFTCTRLKEY, KM_PRESS, KM_ANY, 0, TFM_MODAL_SNAP_GEARS);
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WM_modalkeymap_add_item(keymap, LEFTCTRLKEY, KM_RELEASE, KM_ANY, 0, TFM_MODAL_SNAP_GEARS_OFF);
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/* assign map to operators */
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WM_modalkeymap_assign(keymap, "TFM_OT_transform");
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WM_modalkeymap_assign(keymap, "TFM_OT_translate");
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WM_modalkeymap_assign(keymap, "TFM_OT_rotate");
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WM_modalkeymap_assign(keymap, "TFM_OT_tosphere");
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WM_modalkeymap_assign(keymap, "TFM_OT_resize");
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WM_modalkeymap_assign(keymap, "TFM_OT_shear");
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WM_modalkeymap_assign(keymap, "TFM_OT_warp");
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WM_modalkeymap_assign(keymap, "TFM_OT_shrink_fatten");
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WM_modalkeymap_assign(keymap, "TFM_OT_tilt");
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WM_modalkeymap_assign(keymap, "TFM_OT_trackball");
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}
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void transformEvent(TransInfo *t, wmEvent *event)
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{
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float mati[3][3] = {{1.0f, 0.0f, 0.0f}, {0.0f, 1.0f, 0.0f}, {0.0f, 0.0f, 1.0f}};
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@ -513,7 +570,67 @@ void transformEvent(TransInfo *t, wmEvent *event)
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applyMouseInput(t, &t->mouse, t->mval, t->values);
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}
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if (event->val) {
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/* handle modal keymap first */
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if (event->type == EVT_MODAL_MAP) {
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switch (event->val) {
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case TFM_MODAL_CANCEL:
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t->state = TRANS_CANCEL;
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break;
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case TFM_MODAL_CONFIRM:
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t->state = TRANS_CONFIRM;
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break;
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case TFM_MODAL_TRANSLATE:
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/* only switch when... */
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if( ELEM3(t->mode, TFM_ROTATION, TFM_RESIZE, TFM_TRACKBALL) ) {
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resetTransRestrictions(t);
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restoreTransObjects(t);
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initTranslation(t);
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initSnapping(t, NULL); // need to reinit after mode change
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t->redraw = 1;
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}
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break;
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case TFM_MODAL_ROTATE:
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/* only switch when... */
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if( ELEM4(t->mode, TFM_ROTATION, TFM_RESIZE, TFM_TRACKBALL, TFM_TRANSLATION) ) {
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resetTransRestrictions(t);
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if (t->mode == TFM_ROTATION) {
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restoreTransObjects(t);
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initTrackball(t);
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}
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else {
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restoreTransObjects(t);
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initRotation(t);
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}
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initSnapping(t, NULL); // need to reinit after mode change
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t->redraw = 1;
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}
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break;
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case TFM_MODAL_RESIZE:
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/* only switch when... */
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if( ELEM3(t->mode, TFM_ROTATION, TFM_TRANSLATION, TFM_TRACKBALL) ) {
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resetTransRestrictions(t);
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restoreTransObjects(t);
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initResize(t);
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initSnapping(t, NULL); // need to reinit after mode change
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t->redraw = 1;
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}
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break;
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case TFM_MODAL_SNAP_GEARS:
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t->modifiers |= MOD_SNAP_GEARS;
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t->redraw = 1;
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break;
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case TFM_MODAL_SNAP_GEARS_OFF:
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t->modifiers &= ~MOD_SNAP_GEARS;
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t->redraw = 1;
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break;
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}
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}
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/* else do non-mapped events */
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else if (event->val==KM_PRESS) {
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switch (event->type){
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case RIGHTMOUSE:
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t->state = TRANS_CANCEL;
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@ -47,6 +47,7 @@ struct bConstraint;
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struct BezTriple;
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struct wmOperatorType;
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struct wmOperator;
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struct wmWindowManager;
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struct bContext;
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struct wmEvent;
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struct wmTimer;
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@ -482,9 +483,11 @@ int Mirror(TransInfo *t, short mval[2]);
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void initAlign(TransInfo *t);
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int Align(TransInfo *t, short mval[2]);
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void drawPropCircle(const struct bContext *C, TransInfo *t);
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void transform_modal_keymap(struct wmWindowManager *wm);
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/*********************** transform_conversions.c ********** */
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struct ListBase;
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@ -587,6 +587,10 @@ void transform_operatortypes(void)
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void transform_keymap_for_space(struct wmWindowManager *wm, struct ListBase *keymap, int spaceid)
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{
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wmKeymapItem *km;
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/* transform.c, only adds modal map once, checks if it's there */
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transform_modal_keymap(wm);
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switch(spaceid)
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{
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case SPACE_VIEW3D:
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@ -41,6 +41,7 @@ struct wmEvent;
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struct wmGesture;
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struct wmOperatorType;
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struct wmOperator;
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struct wmKeyMap;
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/* forwards */
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struct bContext;
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@ -54,6 +55,10 @@ struct PointerRNA;
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struct ReportList;
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struct Report;
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#define OP_MAX_TYPENAME 64
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#define KMAP_MAX_NAME 64
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typedef enum ReportType {
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RPT_DEBUG = 1<<0,
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RPT_INFO = 1<<1,
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@ -199,13 +204,15 @@ typedef struct wmOperatorType {
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short flag;
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/* pointer to modal keymap, do not free! */
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struct wmKeyMap *modalkeymap;
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/* only used for operators defined with python
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* use to store pointers to python functions */
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void *pyop_data;
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} wmOperatorType;
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#define OP_MAX_TYPENAME 64
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/* partial copy of the event, for matching by eventhandler */
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typedef struct wmKeymapItem {
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@ -219,10 +226,9 @@ typedef struct wmKeymapItem {
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short shift, ctrl, alt, oskey; /* oskey is apple or windowskey, value denotes order of pressed */
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short keymodifier; /* rawkey modifier */
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short pad;
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short propvalue; /* if used, the item is from modal map */
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} wmKeymapItem;
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#define KMAP_MAX_NAME 64
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/* stored in WM, the actively used keymaps */
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typedef struct wmKeyMap {
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@ -231,8 +237,13 @@ typedef struct wmKeyMap {
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ListBase keymap;
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char nameid[64]; /* global editor keymaps, or for more per space/region */
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int spaceid; /* same IDs as in DNA_space_types.h */
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int regionid; /* see above */
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short spaceid; /* same IDs as in DNA_space_types.h */
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short regionid; /* see above */
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short is_modal; /* modal map, not using operatornames */
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short pad;
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void *items; /* struct EnumPropertyItem for now */
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} wmKeyMap;
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@ -250,6 +261,7 @@ typedef struct wmOperator {
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void *customdata; /* custom storage, only while operator runs */
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struct PointerRNA *ptr; /* rna pointer to access properties */
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struct ReportList *reports; /* errors and warnings storage */
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} wmOperator;
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/* operator type exec(), invoke() modal(), return values */
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@ -40,6 +40,7 @@ struct wmJob;
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struct wmNotifier;
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struct rcti;
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struct PointerRNA;
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struct EnumPropertyItem;
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typedef struct wmJob wmJob;
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@ -79,7 +80,13 @@ wmKeymapItem *WM_keymap_add_item(ListBase *lb, char *idname, short type,
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short val, int modifier, short keymodifier);
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void WM_keymap_tweak (ListBase *lb, short type, short val, int modifier, short keymodifier);
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ListBase *WM_keymap_listbase (struct wmWindowManager *wm, const char *nameid,
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int spaceid, int regionid);
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short spaceid, short regionid);
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wmKeyMap *WM_modalkeymap_add(struct wmWindowManager *wm, const char *nameid, struct EnumPropertyItem *items);
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wmKeyMap *WM_modalkeymap_get(struct wmWindowManager *wm, const char *nameid);
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void WM_modalkeymap_add_item(wmKeyMap *km, short type, short val, int modifier, short keymodifier, short value);
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void WM_modalkeymap_assign(wmKeyMap *km, const char *opname);
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const char *WM_key_event_string(short type);
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char *WM_key_event_operator_string(const struct bContext *C, const char *opname, int opcontext, struct IDProperty *properties, char *str, int len);
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@ -652,6 +652,23 @@ static int wm_event_always_pass(wmEvent *event)
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return ELEM5(event->type, TIMER, TIMER0, TIMER1, TIMER2, TIMERJOBS);
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}
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/* operator exists */
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static void wm_event_modalkeymap(wmOperator *op, wmEvent *event)
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{
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if(op->type->modalkeymap) {
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wmKeymapItem *kmi;
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for(kmi= op->type->modalkeymap->keymap.first; kmi; kmi= kmi->next) {
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if(wm_eventmatch(event, kmi)) {
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event->type= EVT_MODAL_MAP;
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event->val= kmi->propvalue;
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printf("found modal event %s %d\n", kmi->idname, kmi->propvalue);
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}
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}
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}
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}
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/* Warning: this function removes a modal handler, when finished */
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static int wm_handler_operator_call(bContext *C, ListBase *handlers, wmEventHandler *handler, wmEvent *event, PointerRNA *properties)
|
||||
{
|
||||
@ -668,8 +685,9 @@ static int wm_handler_operator_call(bContext *C, ListBase *handlers, wmEventHand
|
||||
ARegion *region= CTX_wm_region(C);
|
||||
|
||||
wm_handler_op_context(C, handler);
|
||||
|
||||
wm_region_mouse_co(C, event);
|
||||
wm_event_modalkeymap(op, event);
|
||||
|
||||
retval= ot->modal(C, op, event);
|
||||
|
||||
/* putting back screen context, reval can pass trough after modal failures! */
|
||||
@ -1446,7 +1464,7 @@ void wm_event_add_ghostevent(wmWindow *win, int type, void *customdata)
|
||||
GHOST_TEventKeyData *kd= customdata;
|
||||
event.type= convert_key(kd->key);
|
||||
event.ascii= kd->ascii;
|
||||
event.val= (type==GHOST_kEventKeyDown); /* XXX eventmatch uses defines, bad code... */
|
||||
event.val= (type==GHOST_kEventKeyDown)?KM_PRESS:KM_RELEASE;
|
||||
|
||||
/* exclude arrow keys, esc, etc from text input */
|
||||
if(type==GHOST_kEventKeyUp || (event.ascii<32 && event.ascii>14))
|
||||
@ -1474,7 +1492,7 @@ void wm_event_add_ghostevent(wmWindow *win, int type, void *customdata)
|
||||
event.oskey= evt->oskey = 3; // define?
|
||||
}
|
||||
|
||||
/* if test_break set, it catches this. Keep global for now? */
|
||||
/* if test_break set, it catches this. XXX Keep global for now? */
|
||||
if(event.type==ESCKEY)
|
||||
G.afbreek= 1;
|
||||
|
||||
|
||||
@ -132,7 +132,7 @@ wmKeymapItem *WM_keymap_add_item(ListBase *lb, char *idname, short type, short v
|
||||
space/region ids are same as DNA_space_types.h */
|
||||
/* gets free'd in wm.c */
|
||||
|
||||
ListBase *WM_keymap_listbase(wmWindowManager *wm, const char *nameid, int spaceid, int regionid)
|
||||
static wmKeyMap *wm_keymap_add(wmWindowManager *wm, const char *nameid, short spaceid, short regionid)
|
||||
{
|
||||
wmKeyMap *km;
|
||||
|
||||
@ -149,9 +149,62 @@ ListBase *WM_keymap_listbase(wmWindowManager *wm, const char *nameid, int spacei
|
||||
BLI_addtail(&wm->keymaps, km);
|
||||
}
|
||||
|
||||
return km;
|
||||
}
|
||||
|
||||
ListBase *WM_keymap_listbase(wmWindowManager *wm, const char *nameid, short spaceid, short regionid)
|
||||
{
|
||||
wmKeyMap *km= wm_keymap_add(wm, nameid, spaceid, regionid);
|
||||
return &km->keymap;
|
||||
}
|
||||
|
||||
/* ****************** modal keymaps ************ */
|
||||
|
||||
/* modal maps get linked to a running operator, and filter the keys before sending to modal() callback */
|
||||
|
||||
wmKeyMap *WM_modalkeymap_add(wmWindowManager *wm, const char *nameid, EnumPropertyItem *items)
|
||||
{
|
||||
wmKeyMap *km= wm_keymap_add(wm, nameid, 0, 0);
|
||||
km->is_modal= 1;
|
||||
km->items= items;
|
||||
|
||||
return km;
|
||||
}
|
||||
|
||||
wmKeyMap *WM_modalkeymap_get(wmWindowManager *wm, const char *nameid)
|
||||
{
|
||||
wmKeyMap *km;
|
||||
|
||||
for(km= wm->keymaps.first; km; km= km->next)
|
||||
if(km->is_modal)
|
||||
if(0==strncmp(nameid, km->nameid, KMAP_MAX_NAME))
|
||||
break;
|
||||
|
||||
return km;
|
||||
}
|
||||
|
||||
|
||||
void WM_modalkeymap_add_item(wmKeyMap *km, short type, short val, int modifier, short keymodifier, short value)
|
||||
{
|
||||
wmKeymapItem *kmi= MEM_callocN(sizeof(wmKeymapItem), "keymap entry");
|
||||
|
||||
BLI_addtail(&km->keymap, kmi);
|
||||
kmi->propvalue= value;
|
||||
|
||||
keymap_event_set(kmi, type, val, modifier, keymodifier);
|
||||
}
|
||||
|
||||
void WM_modalkeymap_assign(wmKeyMap *km, const char *opname)
|
||||
{
|
||||
wmOperatorType *ot= WM_operatortype_find(opname, 0);
|
||||
|
||||
if(ot)
|
||||
ot->modalkeymap= km;
|
||||
else
|
||||
printf("error: modalkeymap_assign, unknown operator %s\n", opname);
|
||||
}
|
||||
|
||||
|
||||
/* ***************** get string from key events **************** */
|
||||
|
||||
const char *WM_key_event_string(short type)
|
||||
|
||||
@ -238,7 +238,11 @@
|
||||
#define EVT_FILESELECT_EXEC 3
|
||||
#define EVT_FILESELECT_CANCEL 4
|
||||
|
||||
/* event->type */
|
||||
#define EVT_BUT_OPEN 0x5021
|
||||
#define EVT_MODAL_MAP 0x5022
|
||||
|
||||
|
||||
|
||||
#endif /* WM_EVENT_TYPES_H */
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user