1 files changed, 18 insertions, 3 deletions

diff --git a/apps/plugins/puzzles/src/palisade.c b/apps/plugins/puzzles/src/palisade.c
index 5227a1d56c..e495bbed2c 100644
--- a/apps/plugins/puzzles/src/palisade.c
+++ b/apps/plugins/puzzles/src/palisade.c
@@ -865,14 +865,16 @@ static char *game_text_format(const game_state *state)
 
 struct game_ui {
     int x, y;
-    unsigned int show: 1;
+    unsigned int show:       1;
+    unsigned int fake_ctrl:  1;
+    unsigned int fake_shift: 1;
 };
 
 static game_ui *new_ui(const game_state *state)
 {
     game_ui *ui = snew(game_ui);
     ui->x = ui->y = 0;
-    ui->show = FALSE;
+    ui->show = ui->fake_ctrl = ui->fake_shift = FALSE;
     return ui;
 }
 
@@ -916,7 +918,10 @@ static char *interpret_move(const game_state *state, game_ui *ui,
                             const game_drawstate *ds, int x, int y, int button)
 {
     int w = state->shared->params.w, h = state->shared->params.h;
-    int control = button & MOD_CTRL, shift = button & MOD_SHFT;
+    int control = (button & MOD_CTRL) | ui->fake_ctrl, shift = (button & MOD_SHFT) | ui->fake_shift;
+
+    /* reset */
+    ui->fake_ctrl = ui->fake_shift = FALSE;
 
     button &= ~MOD_MASK;
 
@@ -999,6 +1004,16 @@ static char *interpret_move(const game_state *state, game_ui *ui,
             return UI_UPDATE;
         }
     }
+    else if(IS_CURSOR_SELECT(button)) {
+        /* CURSOR_SELECT or CURSOR_SELECT2 tells us to toggle whether
+         * the button press should be interpreted as having CTRL or
+         * shift pressed along with it, respectively. */
+        ui->show = TRUE;
+        if(button == CURSOR_SELECT2)
+            ui->fake_shift = !ui->fake_shift;
+        else
+            ui->fake_ctrl = !ui->fake_ctrl;
+    }
 
     return NULL;
 }