diff --git a/shared/cairo-util.h b/shared/cairo-util.h index cce76710..7bcbc296 100644 --- a/shared/cairo-util.h +++ b/shared/cairo-util.h @@ -183,7 +183,13 @@ frame_pointer_motion(struct frame *frame, void *pointer, int x, int y); void frame_pointer_leave(struct frame *frame, void *pointer); -/* May set: +/* Call to indicate that a button has been pressed/released. The return + * value for a button release will be the same as for the corresponding + * press. This allows you to more easily track grabs. If you want the + * actual location, simply keep the location from the last + * frame_pointer_motion call. + * + * May set: * FRAME_STATUS_MINIMIZE * FRAME_STATUS_MAXIMIZE * FRAME_STATUS_CLOSE diff --git a/shared/frame.c b/shared/frame.c index 956e104e..a501649f 100644 --- a/shared/frame.c +++ b/shared/frame.c @@ -54,6 +54,13 @@ struct frame_button { enum frame_status status_effect; }; +struct frame_pointer_button { + struct wl_list link; + uint32_t button; + enum theme_location press_location; + struct frame_button *frame_button; +}; + struct frame_pointer { struct wl_list link; void *data; @@ -61,7 +68,7 @@ struct frame_pointer { int x, y; struct frame_button *hover_button; - int active; + struct wl_list down_buttons; }; struct frame_touch { @@ -141,10 +148,6 @@ frame_button_leave(struct frame_button *button, struct frame_pointer *pointer) button->hover_count--; if (!button->hover_count) button->frame->status |= FRAME_STATUS_REPAINT; - - /* In this case, we won't get a release */ - if (pointer->active) - button->press_count--; } static void @@ -162,13 +165,23 @@ static void frame_button_release(struct frame_button *button) { button->press_count--; - if (!button->press_count) - button->frame->status |= FRAME_STATUS_REPAINT; + if (button->press_count) + return; + + button->frame->status |= FRAME_STATUS_REPAINT; if (!(button->flags & FRAME_BUTTON_CLICK_DOWN)) button->frame->status |= button->status_effect; } +static void +frame_button_cancel(struct frame_button *button) +{ + button->press_count--; + if (!button->press_count) + button->frame->status |= FRAME_STATUS_REPAINT; +} + static void frame_button_repaint(struct frame_button *button, cairo_t *cr) { @@ -225,6 +238,7 @@ frame_pointer_get(struct frame *frame, void *data) return NULL; pointer->data = data; + wl_list_init(&pointer->down_buttons); wl_list_insert(&frame->pointers, &pointer->link); return pointer; @@ -616,8 +630,6 @@ frame_pointer_motion(struct frame *frame, void *data, int x, int y) if (pointer->hover_button) frame_button_leave(pointer->hover_button, pointer); - /* No drags */ - pointer->active = 0; pointer->hover_button = button; if (pointer->hover_button) @@ -626,48 +638,32 @@ frame_pointer_motion(struct frame *frame, void *data, int x, int y) return location; } -void -frame_pointer_leave(struct frame *frame, void *data) +static void +frame_pointer_button_destroy(struct frame_pointer_button *button) { - struct frame_pointer *pointer = frame_pointer_get(frame, data); - if (!pointer) - return; - - if (pointer->hover_button) - frame_button_leave(pointer->hover_button, pointer); - - frame_pointer_destroy(pointer); + wl_list_remove(&button->link); + free(button); } -enum theme_location -frame_pointer_button(struct frame *frame, void *data, - uint32_t button, enum frame_button_state state) +static void +frame_pointer_button_press(struct frame *frame, struct frame_pointer *pointer, + struct frame_pointer_button *button) { - struct frame_pointer *pointer = frame_pointer_get(frame, data); - enum theme_location location; - - location = theme_get_location(frame->theme, pointer->x, pointer->y, - frame->width, frame->height, - frame->flags & FRAME_FLAG_MAXIMIZED ? - THEME_FRAME_MAXIMIZED : 0); - - if (!pointer) - return location; - - if (button == BTN_RIGHT) { - if (state == FRAME_BUTTON_PRESSED && - location == THEME_LOCATION_TITLEBAR) + if (button->button == BTN_RIGHT) { + if (button->press_location == THEME_LOCATION_TITLEBAR) frame->status |= FRAME_STATUS_MENU; - } else if (button == BTN_LEFT && state == FRAME_BUTTON_PRESSED) { + frame_pointer_button_destroy(button); + + } else if (button->button == BTN_LEFT) { if (pointer->hover_button) { - pointer->active = 1; frame_button_press(pointer->hover_button); - return location; } else { - switch (location) { + switch (button->press_location) { case THEME_LOCATION_TITLEBAR: frame->status |= FRAME_STATUS_MOVE; + + frame_pointer_button_destroy(button); break; case THEME_LOCATION_RESIZING_TOP: case THEME_LOCATION_RESIZING_BOTTOM: @@ -678,16 +674,94 @@ frame_pointer_button(struct frame *frame, void *data, case THEME_LOCATION_RESIZING_BOTTOM_LEFT: case THEME_LOCATION_RESIZING_BOTTOM_RIGHT: frame->status |= FRAME_STATUS_RESIZE; + + frame_pointer_button_destroy(button); break; default: break; } } - } else if (button == BTN_LEFT && state == FRAME_BUTTON_RELEASED) { - if (pointer->hover_button && pointer->active) - frame_button_release(pointer->hover_button); + } +} - pointer->active = 0; +static void +frame_pointer_button_release(struct frame *frame, struct frame_pointer *pointer, + struct frame_pointer_button *button) +{ + if (button->button == BTN_LEFT && button->frame_button) { + if (button->frame_button == pointer->hover_button) + frame_button_release(button->frame_button); + else + frame_button_cancel(button->frame_button); + } +} + +static void +frame_pointer_button_cancel(struct frame *frame, struct frame_pointer *pointer, + struct frame_pointer_button *button) +{ + if (button->frame_button) + frame_button_cancel(button->frame_button); +} + +void +frame_pointer_leave(struct frame *frame, void *data) +{ + struct frame_pointer *pointer = frame_pointer_get(frame, data); + struct frame_pointer_button *button, *next; + if (!pointer) + return; + + if (pointer->hover_button) + frame_button_leave(pointer->hover_button, pointer); + + wl_list_for_each_safe(button, next, &pointer->down_buttons, link) { + frame_pointer_button_cancel(frame, pointer, button); + frame_pointer_button_destroy(button); + } + + frame_pointer_destroy(pointer); +} + +enum theme_location +frame_pointer_button(struct frame *frame, void *data, + uint32_t btn, enum frame_button_state state) +{ + struct frame_pointer *pointer = frame_pointer_get(frame, data); + struct frame_pointer_button *button; + enum theme_location location; + + location = theme_get_location(frame->theme, pointer->x, pointer->y, + frame->width, frame->height, + frame->flags & FRAME_FLAG_MAXIMIZED ? + THEME_FRAME_MAXIMIZED : 0); + + if (!pointer) + return location; + + if (state == FRAME_BUTTON_PRESSED) { + button = malloc(sizeof *button); + if (!button) + return location; + + button->button = btn; + button->press_location = location; + button->frame_button = pointer->hover_button; + wl_list_insert(&pointer->down_buttons, &button->link); + + frame_pointer_button_press(frame, pointer, button); + } else if (state == FRAME_BUTTON_RELEASED) { + button = NULL; + wl_list_for_each(button, &pointer->down_buttons, link) + if (button->button == btn) + break; + /* Make sure we didn't hit the end */ + if (&button->link == &pointer->down_buttons) + return location; + + location = button->press_location; + frame_pointer_button_release(frame, pointer, button); + frame_pointer_button_destroy(button); } return location;