parent
ee7fefcffc
commit
01c9ec3477
@ -0,0 +1,670 @@ |
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/*
|
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* Copyright © 2008 Kristian Høgsberg |
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* Copyright © 2012-2013 Collabora, Ltd. |
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* Copyright © 2013 Jason Ekstrand |
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* |
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* Permission to use, copy, modify, distribute, and sell this software and its |
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* documentation for any purpose is hereby granted without fee, provided that |
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* the above copyright notice appear in all copies and that both that copyright |
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* notice and this permission notice appear in supporting documentation, and |
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* that the name of the copyright holders not be used in advertising or |
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* publicity pertaining to distribution of the software without specific, |
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* written prior permission. The copyright holders make no representations |
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* about the suitability of this software for any purpose. It is provided "as |
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* is" without express or implied warranty. |
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* |
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
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* OF THIS SOFTWARE. |
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*/ |
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#include "config.h" |
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#include <stdlib.h> |
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#include <string.h> |
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#include <wayland-util.h> |
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#include <linux/input.h> |
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#include "cairo-util.h" |
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enum frame_button_flags { |
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FRAME_BUTTON_ALIGN_RIGHT = 0x1, |
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FRAME_BUTTON_DECORATED = 0x2, |
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FRAME_BUTTON_CLICK_DOWN = 0x4, |
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}; |
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struct frame_button { |
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struct frame *frame; |
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struct wl_list link; /* buttons_list */ |
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cairo_surface_t *icon; |
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enum frame_button_flags flags; |
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int hover_count; |
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int press_count; |
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struct { |
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int x, y; |
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int width, height; |
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} allocation; |
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enum frame_status status_effect; |
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}; |
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struct frame_pointer { |
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struct wl_list link; |
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void *data; |
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int x, y; |
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struct frame_button *hover_button; |
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int active; |
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}; |
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struct frame { |
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int32_t width, height; |
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char *title; |
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uint32_t flags; |
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struct theme *theme; |
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struct { |
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int32_t x, y; |
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int32_t width, height; |
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} interior; |
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int shadow_margin; |
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int opaque_margin; |
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int geometry_dirty; |
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uint32_t status; |
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struct wl_list buttons; |
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struct wl_list pointers; |
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}; |
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static struct frame_button * |
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frame_button_create(struct frame *frame, const char *icon, |
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enum frame_status status_effect, |
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enum frame_button_flags flags) |
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{ |
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struct frame_button *button; |
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button = calloc(1, sizeof *button); |
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if (!button) |
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return NULL; |
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button->icon = cairo_image_surface_create_from_png(icon); |
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if (!button->icon) { |
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free(button); |
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return NULL; |
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} |
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button->frame = frame; |
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button->flags = flags; |
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button->status_effect = status_effect; |
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wl_list_insert(frame->buttons.prev, &button->link); |
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return button; |
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} |
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static void |
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frame_button_destroy(struct frame_button *button) |
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{ |
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cairo_surface_destroy(button->icon); |
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free(button); |
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} |
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static void |
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frame_button_enter(struct frame_button *button) |
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{ |
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if (!button->hover_count) |
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button->frame->status |= FRAME_STATUS_REPAINT; |
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button->hover_count++; |
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} |
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static void |
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frame_button_leave(struct frame_button *button, struct frame_pointer *pointer) |
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{ |
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button->hover_count--; |
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if (!button->hover_count) |
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button->frame->status |= FRAME_STATUS_REPAINT; |
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/* In this case, we won't get a release */ |
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if (pointer->active) |
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button->press_count--; |
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} |
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static void |
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frame_button_press(struct frame_button *button) |
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{ |
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if (!button->press_count) |
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button->frame->status |= FRAME_STATUS_REPAINT; |
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button->press_count++; |
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if (button->flags & FRAME_BUTTON_CLICK_DOWN) |
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button->frame->status |= button->status_effect; |
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} |
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static void |
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frame_button_release(struct frame_button *button) |
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{ |
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button->press_count--; |
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if (!button->press_count) |
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button->frame->status |= FRAME_STATUS_REPAINT; |
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if (!(button->flags & FRAME_BUTTON_CLICK_DOWN)) |
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button->frame->status |= button->status_effect; |
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} |
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static void |
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frame_button_repaint(struct frame_button *button, cairo_t *cr) |
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{ |
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int x, y; |
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if (!button->allocation.width) |
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return; |
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if (!button->allocation.height) |
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return; |
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x = button->allocation.x; |
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y = button->allocation.y; |
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cairo_save(cr); |
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if (button->flags & FRAME_BUTTON_DECORATED) { |
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cairo_set_line_width(cr, 1); |
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cairo_set_source_rgb(cr, 0.0, 0.0, 0.0); |
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cairo_rectangle(cr, x, y, 25, 16); |
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cairo_stroke_preserve(cr); |
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if (button->press_count) { |
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cairo_set_source_rgb(cr, 0.7, 0.7, 0.7); |
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} else if (button->hover_count) { |
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cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); |
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} else { |
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cairo_set_source_rgb(cr, 0.88, 0.88, 0.88); |
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} |
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cairo_fill (cr); |
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x += 4; |
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} |
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cairo_set_source_surface(cr, button->icon, x, y); |
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cairo_paint(cr); |
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cairo_restore(cr); |
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} |
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static struct frame_pointer * |
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frame_pointer_get(struct frame *frame, void *data) |
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{ |
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struct frame_pointer *pointer; |
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wl_list_for_each(pointer, &frame->pointers, link) |
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if (pointer->data == data) |
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return pointer; |
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pointer = calloc(1, sizeof *pointer); |
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if (!pointer) |
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return NULL; |
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pointer->data = data; |
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wl_list_insert(&frame->pointers, &pointer->link); |
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return pointer; |
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} |
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static void |
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frame_pointer_destroy(struct frame_pointer *pointer) |
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{ |
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wl_list_remove(&pointer->link); |
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free(pointer); |
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} |
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struct frame * |
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frame_create(struct theme *t, int32_t width, int32_t height, uint32_t buttons, |
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const char *title) |
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{ |
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struct frame *frame; |
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struct frame_button *button; |
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frame = calloc(1, sizeof *frame); |
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if (!frame) |
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return NULL; |
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frame->width = width; |
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frame->height = height; |
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frame->flags = 0; |
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frame->theme = t; |
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frame->status = FRAME_STATUS_REPAINT; |
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frame->geometry_dirty = 1; |
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if (title) { |
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frame->title = strdup(title); |
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if (!frame->title) |
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goto free_frame; |
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} |
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wl_list_init(&frame->buttons); |
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wl_list_init(&frame->pointers); |
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button = frame_button_create(frame, DATADIR "/weston/icon_window.png", |
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FRAME_STATUS_MENU, |
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FRAME_BUTTON_CLICK_DOWN); |
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if (!button) |
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goto free_frame; |
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if (buttons & FRAME_BUTTON_CLOSE) { |
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button = frame_button_create(frame, |
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DATADIR "/weston/sign_close.png", |
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FRAME_STATUS_CLOSE, |
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FRAME_BUTTON_ALIGN_RIGHT | |
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FRAME_BUTTON_DECORATED); |
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if (!button) |
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goto free_frame; |
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} |
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if (buttons & FRAME_BUTTON_MAXIMIZE) { |
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button = frame_button_create(frame, |
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DATADIR "/weston/sign_maximize.png", |
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FRAME_STATUS_MAXIMIZE, |
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FRAME_BUTTON_ALIGN_RIGHT | |
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FRAME_BUTTON_DECORATED); |
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if (!button) |
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goto free_frame; |
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} |
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if (buttons & FRAME_BUTTON_MINIMIZE) { |
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button = frame_button_create(frame, |
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DATADIR "/weston/sign_minimize.png", |
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FRAME_STATUS_MINIMIZE, |
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FRAME_BUTTON_ALIGN_RIGHT | |
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FRAME_BUTTON_DECORATED); |
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if (!button) |
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goto free_frame; |
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} |
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return frame; |
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free_frame: |
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free(frame->title); |
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free(frame); |
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return NULL; |
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} |
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void |
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frame_destroy(struct frame *frame) |
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{ |
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struct frame_button *button, *next; |
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wl_list_for_each_safe(button, next, &frame->buttons, link) |
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frame_button_destroy(button); |
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free(frame->title); |
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free(frame); |
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} |
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int |
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frame_set_title(struct frame *frame, const char *title) |
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{ |
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char *dup = NULL; |
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if (title) { |
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dup = strdup(title); |
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if (!dup) |
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return -1; |
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} |
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free(frame->title); |
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frame->title = dup; |
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frame->status |= FRAME_STATUS_REPAINT; |
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return 0; |
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} |
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void |
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frame_set_flag(struct frame *frame, enum frame_flag flag) |
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{ |
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if (flag & FRAME_FLAG_MAXIMIZED && !(frame->flags & FRAME_FLAG_MAXIMIZED)) |
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frame->geometry_dirty = 1; |
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frame->flags |= flag; |
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frame->status |= FRAME_STATUS_REPAINT; |
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} |
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void |
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frame_unset_flag(struct frame *frame, enum frame_flag flag) |
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{ |
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if (flag & FRAME_FLAG_MAXIMIZED && frame->flags & FRAME_FLAG_MAXIMIZED) |
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frame->geometry_dirty = 1; |
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frame->flags &= ~flag; |
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frame->status |= FRAME_STATUS_REPAINT; |
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} |
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void |
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frame_resize(struct frame *frame, int32_t width, int32_t height) |
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{ |
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frame->width = width; |
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frame->height = height; |
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frame->geometry_dirty = 1; |
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frame->status |= FRAME_STATUS_REPAINT; |
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} |
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void |
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frame_resize_inside(struct frame *frame, int32_t width, int32_t height) |
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{ |
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struct theme *t = frame->theme; |
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int decoration_width, decoration_height; |
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if (frame->flags & FRAME_FLAG_MAXIMIZED) { |
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decoration_width = t->width * 2; |
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decoration_height = t->width + t->titlebar_height; |
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} else { |
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decoration_width = (t->width + t->margin) * 2; |
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decoration_height = t->width + |
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t->titlebar_height + t->margin * 2; |
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} |
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frame_resize(frame, width + decoration_width, |
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height + decoration_height); |
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} |
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int32_t |
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frame_width(struct frame *frame) |
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{ |
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return frame->width; |
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} |
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int32_t |
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frame_height(struct frame *frame) |
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{ |
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return frame->height; |
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} |
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static void |
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frame_refresh_geometry(struct frame *frame) |
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{ |
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struct frame_button *button; |
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struct theme *t = frame->theme; |
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int x_l, x_r, y, w, h; |
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int32_t decoration_width, decoration_height; |
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if (!frame->geometry_dirty) |
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return; |
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if (frame->flags & FRAME_FLAG_MAXIMIZED) { |
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decoration_width = t->width * 2; |
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decoration_height = t->width + t->titlebar_height; |
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frame->interior.x = t->width; |
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frame->interior.y = t->titlebar_height; |
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frame->interior.width = frame->width - decoration_width; |
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frame->interior.height = frame->height - decoration_height; |
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frame->opaque_margin = 0; |
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frame->shadow_margin = 0; |
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} else { |
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decoration_width = (t->width + t->margin) * 2; |
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decoration_height = t->width + |
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t->titlebar_height + t->margin * 2; |
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frame->interior.x = t->width + t->margin; |
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frame->interior.y = t->titlebar_height + t->margin; |
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frame->interior.width = frame->width - decoration_width; |
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frame->interior.height = frame->height - decoration_height; |
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frame->opaque_margin = t->margin + t->frame_radius; |
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frame->shadow_margin = t->margin; |
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} |
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x_r = frame->width - t->width - frame->shadow_margin; |
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x_l = t->width + frame->shadow_margin; |
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y = t->width + frame->shadow_margin; |
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wl_list_for_each(button, &frame->buttons, link) { |
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const int button_padding = 4; |
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w = cairo_image_surface_get_width(button->icon); |
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h = cairo_image_surface_get_height(button->icon); |
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if (button->flags & FRAME_BUTTON_DECORATED) |
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w += 10; |
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if (button->flags & FRAME_BUTTON_ALIGN_RIGHT) { |
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x_r -= w; |
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button->allocation.x = x_r; |
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button->allocation.y = y; |
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button->allocation.width = w + 1; |
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button->allocation.height = h + 1; |
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x_r -= button_padding; |
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} else { |
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button->allocation.x = x_l; |
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button->allocation.y = y; |
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button->allocation.width = w + 1; |
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button->allocation.height = h + 1; |
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x_l += w; |
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x_l += button_padding; |
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} |
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} |
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frame->geometry_dirty = 0; |
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} |
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void |
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frame_interior(struct frame *frame, int32_t *x, int32_t *y, |
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int32_t *width, int32_t *height) |
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{ |
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frame_refresh_geometry(frame); |
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if (x) |
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*x = frame->interior.x; |
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if (y) |
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*y = frame->interior.y; |
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if (width) |
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*width = frame->interior.width; |
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if (height) |
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*height = frame->interior.height; |
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} |
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void |
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frame_input_rect(struct frame *frame, int32_t *x, int32_t *y, |
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int32_t *width, int32_t *height) |
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{ |
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frame_refresh_geometry(frame); |
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if (x) |
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*x = frame->shadow_margin; |
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if (y) |
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*y = frame->shadow_margin; |
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if (width) |
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*width = frame->width - frame->shadow_margin * 2; |
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if (height) |
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*height = frame->height - frame->shadow_margin * 2; |
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} |
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void |
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frame_opaque_rect(struct frame *frame, int32_t *x, int32_t *y, |
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int32_t *width, int32_t *height) |
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{ |
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frame_refresh_geometry(frame); |
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if (x) |
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*x = frame->opaque_margin; |
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if (y) |
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*y = frame->opaque_margin; |
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if (width) |
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*width = frame->width - frame->opaque_margin * 2; |
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if (height) |
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*height = frame->height - frame->opaque_margin * 2; |
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} |
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uint32_t |
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frame_status(struct frame *frame) |
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{ |
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return frame->status; |
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} |
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void |
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frame_status_clear(struct frame *frame, enum frame_status status) |
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{ |
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frame->status &= ~status; |
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} |
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static struct frame_button * |
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frame_find_button(struct frame *frame, int x, int y) |
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{ |
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struct frame_button *button; |
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int rel_x, rel_y; |
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wl_list_for_each(button, &frame->buttons, link) { |
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rel_x = x - button->allocation.x; |
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rel_y = y - button->allocation.y; |
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|
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if (0 <= rel_x && rel_x < button->allocation.width && |
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0 <= rel_y && rel_y < button->allocation.height) |
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return button; |
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} |
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return NULL; |
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} |
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enum theme_location |
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frame_pointer_enter(struct frame *frame, void *data, int x, int y) |
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{ |
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return frame_pointer_motion(frame, data, x, y); |
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} |
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enum theme_location |
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frame_pointer_motion(struct frame *frame, void *data, int x, int y) |
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{ |
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struct frame_pointer *pointer = frame_pointer_get(frame, data); |
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struct frame_button *button = frame_find_button(frame, x, y); |
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enum theme_location location; |
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location = theme_get_location(frame->theme, x, y, |
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frame->width, frame->height, |
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frame->flags & FRAME_FLAG_MAXIMIZED ? |
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THEME_FRAME_MAXIMIZED : 0); |
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if (!pointer) |
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return location; |
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pointer->x = x; |
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pointer->y = y; |
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|
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if (pointer->hover_button == button) |
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return location; |
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|
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if (pointer->hover_button) |
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frame_button_leave(pointer->hover_button, pointer); |
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|
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/* No drags */ |
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pointer->active = 0; |
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pointer->hover_button = button; |
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|
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if (pointer->hover_button) |
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frame_button_enter(pointer->hover_button); |
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|
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return location; |
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} |
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|
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void |
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frame_pointer_leave(struct frame *frame, void *data) |
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{ |
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struct frame_pointer *pointer = frame_pointer_get(frame, data); |
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if (!pointer) |
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return; |
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|
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if (pointer->hover_button) |
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frame_button_leave(pointer->hover_button, pointer); |
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|
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frame_pointer_destroy(pointer); |
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} |
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|
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enum theme_location |
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frame_pointer_button(struct frame *frame, void *data, |
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uint32_t button, enum frame_button_state state) |
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{ |
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struct frame_pointer *pointer = frame_pointer_get(frame, data); |
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enum theme_location location; |
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|
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location = theme_get_location(frame->theme, pointer->x, pointer->y, |
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frame->width, frame->height, |
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frame->flags & FRAME_FLAG_MAXIMIZED ? |
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THEME_FRAME_MAXIMIZED : 0); |
||||
|
||||
if (!pointer) |
||||
return location; |
||||
|
||||
if (button == BTN_RIGHT) { |
||||
if (state == FRAME_BUTTON_PRESSED && |
||||
location == THEME_LOCATION_TITLEBAR) |
||||
frame->status |= FRAME_STATUS_MENU; |
||||
|
||||
} else if (button == BTN_LEFT && state == FRAME_BUTTON_PRESSED) { |
||||
if (pointer->hover_button) { |
||||
pointer->active = 1; |
||||
frame_button_press(pointer->hover_button); |
||||
return location; |
||||
} else { |
||||
switch (location) { |
||||
case THEME_LOCATION_TITLEBAR: |
||||
frame->status |= FRAME_STATUS_MOVE; |
||||
break; |
||||
case THEME_LOCATION_RESIZING_TOP: |
||||
case THEME_LOCATION_RESIZING_BOTTOM: |
||||
case THEME_LOCATION_RESIZING_LEFT: |
||||
case THEME_LOCATION_RESIZING_RIGHT: |
||||
case THEME_LOCATION_RESIZING_TOP_LEFT: |
||||
case THEME_LOCATION_RESIZING_TOP_RIGHT: |
||||
case THEME_LOCATION_RESIZING_BOTTOM_LEFT: |
||||
case THEME_LOCATION_RESIZING_BOTTOM_RIGHT: |
||||
frame->status |= FRAME_STATUS_RESIZE; |
||||
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; |
||||
} |
||||
|
||||
return location; |
||||
} |
||||
|
||||
void |
||||
frame_repaint(struct frame *frame, cairo_t *cr) |
||||
{ |
||||
struct frame_button *button; |
||||
uint32_t flags = 0; |
||||
|
||||
frame_refresh_geometry(frame); |
||||
|
||||
if (frame->flags & FRAME_FLAG_MAXIMIZED) |
||||
flags |= THEME_FRAME_MAXIMIZED; |
||||
|
||||
if (frame->flags & FRAME_FLAG_ACTIVE) |
||||
flags |= THEME_FRAME_ACTIVE; |
||||
|
||||
cairo_save(cr); |
||||
theme_render_frame(frame->theme, cr, frame->width, frame->height, |
||||
frame->title, flags); |
||||
cairo_restore(cr); |
||||
|
||||
wl_list_for_each(button, &frame->buttons, link) |
||||
frame_button_repaint(button, cr); |
||||
|
||||
frame_status_clear(frame, FRAME_STATUS_REPAINT); |
||||
} |
Loading…
Reference in new issue