sequencer numpad keys for zoom levels

3 files changed, 51 insertions, 0 deletions

diff --git a/source/blender/editors/space_sequencer/sequencer_edit.c b/source/blender/editors/space_sequencer/sequencer_edit.c
index 9deb0ba4a0a..dedde7e10c3 100644
--- a/source/blender/editors/space_sequencer/sequencer_edit.c
+++ b/source/blender/editors/space_sequencer/sequencer_edit.c
@@ -2218,6 +2218,43 @@ void SEQUENCER_OT_view_all_preview(wmOperatorType *ot)
 	ot->flag= OPTYPE_REGISTER;
 }
 
+
+static int sequencer_view_zoom_ratio_exec(bContext *C, wmOperator *op)
+{
+	RenderData *r= &CTX_data_scene(C)->r;
+	View2D *v2d= UI_view2d_fromcontext(C);
+
+	float ratio= RNA_float_get(op->ptr, "ratio");
+
+	float winx= (int)(r->size * r->xsch)/100;
+	float winy= (int)(r->size * r->ysch)/100;
+
+	float facx= (v2d->mask.xmax - v2d->mask.xmin) / winx;
+	float facy= (v2d->mask.ymax - v2d->mask.ymin) / winy;
+
+	BLI_resize_rctf(&v2d->cur, winx*facx*ratio, winy*facy*ratio);
+
+	ED_region_tag_redraw(CTX_wm_region(C));
+
+	return OPERATOR_FINISHED;
+}
+
+void SEQUENCER_OT_view_zoom_ratio(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name= "Sequencer View Zoom Ratio";
+	ot->idname= "SEQUENCER_OT_view_zoom_ratio";
+
+	/* api callbacks */
+	ot->exec= sequencer_view_zoom_ratio_exec;
+	ot->poll= ED_operator_sequencer_active;
+
+	/* properties */
+	RNA_def_float(ot->srna, "ratio", 1.0f, 0.0f, FLT_MAX,
+		"Ratio", "Zoom ratio, 1.0 is 1:1, higher is zoomed in, lower is zoomed out.", -FLT_MAX, FLT_MAX);
+}
+
+
 #if 0
 static EnumPropertyItem view_type_items[] = {
 		{SEQ_VIEW_SEQUENCE, "SEQUENCER", ICON_SEQ_SEQUENCER, "Sequencer", ""},
diff --git a/source/blender/editors/space_sequencer/sequencer_intern.h b/source/blender/editors/space_sequencer/sequencer_intern.h
index dc2d89293ee..fd4ee70e258 100644
--- a/source/blender/editors/space_sequencer/sequencer_intern.h
+++ b/source/blender/editors/space_sequencer/sequencer_intern.h
@@ -100,6 +100,7 @@ void SEQUENCER_OT_rendersize(struct wmOperatorType *ot);
 void SEQUENCER_OT_view_toggle(struct wmOperatorType *ot);
 void SEQUENCER_OT_view_all(struct wmOperatorType *ot);
 void SEQUENCER_OT_view_selected(struct wmOperatorType *ot);
+void SEQUENCER_OT_view_zoom_ratio(struct wmOperatorType *ot);
 
 void SEQUENCER_OT_copy(struct wmOperatorType *ot);
 void SEQUENCER_OT_paste(struct wmOperatorType *ot);
diff --git a/source/blender/editors/space_sequencer/sequencer_ops.c b/source/blender/editors/space_sequencer/sequencer_ops.c
index f1ca2490095..559a090a2ee 100644
--- a/source/blender/editors/space_sequencer/sequencer_ops.c
+++ b/source/blender/editors/space_sequencer/sequencer_ops.c
@@ -79,6 +79,7 @@ void sequencer_operatortypes(void)
 	WM_operatortype_append(SEQUENCER_OT_view_selected);
 	WM_operatortype_append(SEQUENCER_OT_view_all_preview);
 	WM_operatortype_append(SEQUENCER_OT_view_toggle);
+	WM_operatortype_append(SEQUENCER_OT_view_zoom_ratio);
 
 	/* sequencer_select.c */
 	WM_operatortype_append(SEQUENCER_OT_select_all_toggle);
@@ -224,5 +225,17 @@ void sequencer_keymap(wmKeyConfig *keyconf)
 	keymap= WM_keymap_find(keyconf, "SequencerPreview", SPACE_SEQ, 0);
 	WM_keymap_add_item(keymap, "SEQUENCER_OT_view_all_preview", HOMEKEY, KM_PRESS, 0, 0);
 	WM_keymap_add_item(keymap, "SEQUENCER_OT_properties", NKEY, KM_PRESS, 0, 0);
+
+
+	keymap= WM_keymap_find(keyconf, "SequencerPreview", SPACE_SEQ, 0);
+
+	/* would prefer to use numpad keys for job */
+	RNA_float_set(WM_keymap_add_item(keymap, "SEQUENCER_OT_view_zoom_ratio", PAD8, KM_PRESS, KM_SHIFT, 0)->ptr, "ratio", 8.0f);
+	RNA_float_set(WM_keymap_add_item(keymap, "SEQUENCER_OT_view_zoom_ratio", PAD4, KM_PRESS, KM_SHIFT, 0)->ptr, "ratio", 4.0f);
+	RNA_float_set(WM_keymap_add_item(keymap, "SEQUENCER_OT_view_zoom_ratio", PAD2, KM_PRESS, KM_SHIFT, 0)->ptr, "ratio", 2.0f);
+	RNA_float_set(WM_keymap_add_item(keymap, "SEQUENCER_OT_view_zoom_ratio", PAD1, KM_PRESS, 0, 0)->ptr, "ratio", 1.0f);
+	RNA_float_set(WM_keymap_add_item(keymap, "SEQUENCER_OT_view_zoom_ratio", PAD2, KM_PRESS, 0, 0)->ptr, "ratio", 0.5f);
+	RNA_float_set(WM_keymap_add_item(keymap, "SEQUENCER_OT_view_zoom_ratio", PAD4, KM_PRESS, 0, 0)->ptr, "ratio", 0.25f);
+	RNA_float_set(WM_keymap_add_item(keymap, "SEQUENCER_OT_view_zoom_ratio", PAD8, KM_PRESS, 0, 0)->ptr, "ratio", 0.125f);
 }