text: Add example clients for text protocol
This commit is contained in:
Jan Arne Petersen
Kristian Høgsberg
parent
1f17be442e
commit
cba9e470ba
4
clients/.gitignore
vendored
4
clients/.gitignore
vendored
@ -24,3 +24,7 @@ weston-tablet-shell
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weston-screenshooter
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weston-terminal
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wscreensaver
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editor
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text-protocol.c
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text-client-protocol.h
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keyboard
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@ -51,6 +51,8 @@ clients_programs = \
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resizor \
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eventdemo \
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clickdot \
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editor \
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keyboard \
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$(full_gl_client_programs)
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desktop_shell = weston-desktop-shell
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@ -97,6 +99,20 @@ eventdemo_LDADD = $(toolkit_libs)
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clickdot_SOURCES = clickdot.c
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clickdot_LDADD = $(toolkit_libs)
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editor_SOURCES = \
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editor.c \
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text-protocol.c \
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text-client-protocol.h
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editor_LDADD = $(toolkit_libs)
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keyboard_SOURCES = \
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keyboard.c \
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desktop-shell-client-protocol.h \
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desktop-shell-protocol.c \
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text-client-protocol.h \
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text-protocol.c
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keyboard_LDADD = $(toolkit_libs)
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weston_desktop_shell_SOURCES = \
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desktop-shell.c \
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desktop-shell-client-protocol.h \
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@ -114,6 +130,8 @@ BUILT_SOURCES = \
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screenshooter-protocol.c \
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text-cursor-position-client-protocol.h \
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text-cursor-position-protocol.c \
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text-protocol.c \
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text-client-protocol.h \
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desktop-shell-client-protocol.h \
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desktop-shell-protocol.c \
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tablet-shell-client-protocol.h \
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301
clients/editor.c
Normal file
301
clients/editor.c
Normal file
@ -0,0 +1,301 @@
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/*
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* Copyright © 2012 Openismus GmbH
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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||||
* documentation, and that the name of the copyright holders not be used in
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* advertising or publicity pertaining to distribution of the software
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* without specific, written prior permission. The copyright holders make
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* no representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
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* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <linux/input.h>
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#include <cairo.h>
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#include "window.h"
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#include "text-client-protocol.h"
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struct text_entry {
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struct widget *widget;
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char *text;
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int active;
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struct rectangle allocation;
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struct text_model *model;
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};
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struct editor {
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struct input_method *input_method;
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struct display *display;
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struct window *window;
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struct widget *widget;
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struct text_entry *entry;
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struct text_entry *editor;
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};
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static void
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text_entry_append(struct text_entry *entry, const char *text)
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{
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entry->text = realloc(entry->text, strlen(entry->text) + strlen(text) + 1);
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strcat(entry->text, text);
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}
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static void
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text_model_commit_string(void *data,
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struct text_model *text_model,
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const char *text,
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uint32_t index)
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{
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struct text_entry *entry = data;
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text_entry_append(entry, text);
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widget_schedule_redraw(entry->widget);
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}
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static const struct text_model_listener text_model_listener = {
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text_model_commit_string
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};
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static struct text_entry*
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text_entry_create(struct editor *editor, const char *text)
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{
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struct text_entry *entry;
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struct wl_surface *surface;
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entry = malloc(sizeof *entry);
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surface = window_get_wl_surface(editor->window);
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entry->widget = editor->widget;
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entry->text = strdup(text);
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entry->active = 0;
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entry->model = input_method_create_text_model(editor->input_method, surface);
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text_model_add_listener(entry->model, &text_model_listener, entry);
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return entry;
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}
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static void
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text_entry_destroy(struct text_entry *entry)
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{
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text_model_destroy(entry->model);
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free(entry->text);
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free(entry);
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}
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static void
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text_entry_draw(struct text_entry *entry, cairo_t *cr)
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{
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cairo_save(cr);
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cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
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cairo_rectangle(cr, entry->allocation.x, entry->allocation.y, entry->allocation.width, entry->allocation.height);
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cairo_clip(cr);
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cairo_translate(cr, entry->allocation.x, entry->allocation.y);
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cairo_rectangle(cr, 0, 0, entry->allocation.width, entry->allocation.height);
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cairo_set_source_rgba(cr, 1, 1, 1, 0.5);
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cairo_fill(cr);
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if (entry->active) {
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cairo_rectangle(cr, 0, 0, entry->allocation.width, entry->allocation.height);
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cairo_set_source_rgba(cr, 0, 0, 1, 0.5);
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cairo_stroke(cr);
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}
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cairo_set_source_rgb(cr, 0, 0, 0);
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cairo_select_font_face(cr, "sans",
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CAIRO_FONT_SLANT_NORMAL,
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CAIRO_FONT_WEIGHT_BOLD);
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cairo_set_font_size(cr, 14);
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cairo_translate(cr, 10, entry->allocation.height / 2);
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cairo_show_text(cr, entry->text);
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cairo_restore(cr);
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}
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static void
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redraw_handler(struct widget *widget, void *data)
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{
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struct editor *editor = data;
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cairo_surface_t *surface;
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struct rectangle allocation;
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cairo_t *cr;
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surface = window_get_surface(editor->window);
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widget_get_allocation(editor->widget, &allocation);
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cr = cairo_create(surface);
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cairo_rectangle(cr, allocation.x, allocation.y, allocation.width, allocation.height);
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cairo_clip(cr);
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cairo_translate(cr, allocation.x, allocation.y);
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/* Draw background */
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cairo_push_group(cr);
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cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
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cairo_set_source_rgba(cr, 1, 1, 1, 1);
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cairo_rectangle(cr, 0, 0, allocation.width, allocation.height);
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cairo_fill(cr);
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/* Entry */
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text_entry_draw(editor->entry, cr);
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/* Editor */
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text_entry_draw(editor->editor, cr);
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cairo_pop_group_to_source(cr);
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cairo_paint(cr);
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cairo_destroy(cr);
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cairo_surface_destroy(surface);
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}
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static void
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text_entry_allocate(struct text_entry *entry, int32_t x, int32_t y,
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int32_t width, int32_t height)
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{
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entry->allocation.x = x;
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entry->allocation.y = y;
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entry->allocation.width = width;
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entry->allocation.height = height;
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}
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static void
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resize_handler(struct widget *widget,
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int32_t width, int32_t height, void *data)
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{
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struct editor *editor = data;
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text_entry_allocate(editor->entry, 20, 20, width - 40, height / 2 - 40);
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text_entry_allocate(editor->editor, 20, height / 2 + 20, width - 40, height / 2 - 40);
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}
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static int32_t
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rectangle_contains(struct rectangle *rectangle, int32_t x, int32_t y)
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{
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if (x < rectangle->x || x > rectangle->x + rectangle->width) {
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return 0;
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}
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if (y < rectangle->y || y > rectangle->y + rectangle->height) {
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return 0;
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}
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return 1;
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}
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static void
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text_entry_activate(struct text_entry *entry)
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{
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text_model_activate(entry->model);
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}
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static void
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text_entry_deactivate(struct text_entry *entry)
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{
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text_model_deactivate(entry->model);
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}
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static void
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button_handler(struct widget *widget,
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struct input *input, uint32_t time,
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uint32_t button,
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enum wl_pointer_button_state state, void *data)
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{
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struct editor *editor = data;
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struct rectangle allocation;
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int32_t x, y;
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if (state != WL_POINTER_BUTTON_STATE_PRESSED || button != BTN_LEFT) {
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return;
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}
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input_get_position(input, &x, &y);
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widget_get_allocation(editor->widget, &allocation);
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x -= allocation.x;
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y -= allocation.y;
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editor->entry->active = 0;
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editor->editor->active = 0;
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editor->entry->active = rectangle_contains(&editor->entry->allocation, x, y);
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editor->editor->active = rectangle_contains(&editor->editor->allocation, x, y);
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if (editor->entry->active) {
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text_entry_activate(editor->entry);
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} else {
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text_entry_deactivate(editor->entry);
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}
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if (editor->editor->active) {
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text_entry_activate(editor->editor);
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} else {
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text_entry_deactivate(editor->editor);
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}
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widget_schedule_redraw(widget);
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}
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static void
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global_handler(struct wl_display *display, uint32_t id,
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const char *interface, uint32_t version, void *data)
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{
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struct editor *editor = data;
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if (!strcmp(interface, "input_method")) {
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editor->input_method = wl_display_bind(display, id, &input_method_interface);
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}
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}
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int
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main(int argc, char *argv[])
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{
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struct editor editor;
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editor.display = display_create(argc, argv);
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if (editor.display == NULL) {
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fprintf(stderr, "failed to create display: %m\n");
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return -1;
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}
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wl_display_add_global_listener(display_get_display(editor.display),
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global_handler, &editor);
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editor.window = window_create(editor.display);
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editor.widget = frame_create(editor.window, &editor);
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editor.entry = text_entry_create(&editor, "Entry");
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editor.editor = text_entry_create(&editor, "Editor");
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window_set_title(editor.window, "Text Editor");
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widget_set_redraw_handler(editor.widget, redraw_handler);
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widget_set_resize_handler(editor.widget, resize_handler);
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widget_set_button_handler(editor.widget, button_handler);
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window_schedule_resize(editor.window, 500, 400);
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display_run(editor.display);
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text_entry_destroy(editor.entry);
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text_entry_destroy(editor.editor);
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return 0;
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}
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214
clients/keyboard.c
Normal file
214
clients/keyboard.c
Normal file
@ -0,0 +1,214 @@
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/*
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* Copyright © 2012 Openismus GmbH
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*
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* Permission to use, copy, modify, distribute, and sell this software and
|
||||
* its documentation for any purpose is hereby granted without fee, provided
|
||||
* that the above copyright notice appear in all copies and that both that
|
||||
* copyright notice and this permission notice appear in supporting
|
||||
* documentation, and that the name of the copyright holders not be used in
|
||||
* advertising or publicity pertaining to distribution of the software
|
||||
* without specific, written prior permission. The copyright holders make
|
||||
* no representations about the suitability of this software for any
|
||||
* purpose. It is provided "as is" without express or implied warranty.
|
||||
*
|
||||
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
|
||||
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
||||
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||||
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
|
||||
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
|
||||
* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
||||
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <linux/input.h>
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#include <cairo.h>
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#include "window.h"
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#include "text-client-protocol.h"
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#include "desktop-shell-client-protocol.h"
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struct virtual_keyboard {
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struct input_panel *input_panel;
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struct input_method *input_method;
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struct display *display;
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};
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struct keyboard {
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struct virtual_keyboard *keyboard;
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struct window *window;
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struct widget *widget;
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int cx;
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int cy;
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};
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static void
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redraw_handler(struct widget *widget, void *data)
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{
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struct keyboard *keyboard = data;
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cairo_surface_t *surface;
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struct rectangle allocation;
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cairo_t *cr;
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int cx, cy;
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int i;
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surface = window_get_surface(keyboard->window);
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widget_get_allocation(keyboard->widget, &allocation);
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cr = cairo_create(surface);
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cairo_rectangle(cr, allocation.x, allocation.y, allocation.width, allocation.height);
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cairo_clip(cr);
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cairo_translate(cr, allocation.x, allocation.y);
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cx = keyboard->cx;
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cy = keyboard->cy;
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cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
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cairo_set_source_rgba(cr, 1, 1, 1, 0.5);
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cairo_rectangle(cr, 0, 0, 10 * cx, 5 * cy);
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cairo_paint(cr);
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cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
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for (i = 0; i <= 'Z' - '0'; ++i) {
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const int x = i % 10;
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const int y = i / 10;
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char text[] = { i + '0', '\0' };
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cairo_text_extents_t extents;
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int dx, dy;
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cairo_text_extents(cr, text, &extents);
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dx = extents.width;
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dy = extents.height;
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cairo_set_source_rgb(cr, 0, 0, 0);
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cairo_rectangle(cr, x * cx, y * cy, cx, cy);
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cairo_stroke(cr);
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cairo_move_to(cr, x * cx + 0.5 * (cx - dx), y * cy + 0.5 * (cy - dy));
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cairo_set_source_rgb(cr, 0, 0, 0);
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cairo_show_text(cr, text);
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}
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cairo_destroy(cr);
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cairo_surface_destroy(surface);
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}
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static void
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resize_handler(struct widget *widget,
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int32_t width, int32_t height, void *data)
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{
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/* struct keyboard *keyboard = data; */
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}
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static void
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button_handler(struct widget *widget,
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struct input *input, uint32_t time,
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uint32_t button,
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enum wl_pointer_button_state state, void *data)
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{
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struct keyboard *keyboard = data;
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struct rectangle allocation;
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int32_t x, y;
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char text[] = { '0', '\0' };
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if (state != WL_POINTER_BUTTON_STATE_PRESSED || button != BTN_LEFT) {
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return;
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}
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input_get_position(input, &x, &y);
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widget_get_allocation(keyboard->widget, &allocation);
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x -= allocation.x;
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y -= allocation.y;
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text[0] = y / keyboard->cy * 10 + x / keyboard->cx + '0';
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input_method_commit_string(keyboard->keyboard->input_method, text, -1);
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widget_schedule_redraw(widget);
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}
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static void
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global_handler(struct wl_display *display, uint32_t id,
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const char *interface, uint32_t version, void *data)
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{
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struct virtual_keyboard *keyboard = data;
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if (!strcmp(interface, "input_panel")) {
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keyboard->input_panel = wl_display_bind(display, id, &input_panel_interface);
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} else if (!strcmp(interface, "input_method")) {
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keyboard->input_method = wl_display_bind(display, id, &input_method_interface);
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}
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}
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|
||||
static void
|
||||
keyboard_create(struct output *output, struct virtual_keyboard *virtual_keyboard)
|
||||
{
|
||||
struct keyboard *keyboard;
|
||||
|
||||
keyboard = malloc(sizeof *keyboard);
|
||||
memset(keyboard, 0, sizeof *keyboard);
|
||||
|
||||
keyboard->keyboard = virtual_keyboard;
|
||||
keyboard->window = window_create(virtual_keyboard->display);
|
||||
keyboard->widget = window_add_widget(keyboard->window, keyboard);
|
||||
|
||||
window_set_title(keyboard->window, "Virtual keyboard");
|
||||
window_set_custom(keyboard->window);
|
||||
window_set_user_data(keyboard->window, keyboard);
|
||||
|
||||
keyboard->cx = 40;
|
||||
keyboard->cy = 40;
|
||||
|
||||
widget_set_redraw_handler(keyboard->widget, redraw_handler);
|
||||
widget_set_resize_handler(keyboard->widget, resize_handler);
|
||||
widget_set_button_handler(keyboard->widget, button_handler);
|
||||
|
||||
window_schedule_resize(keyboard->window, keyboard->cx * 10, keyboard->cy * 5);
|
||||
|
||||
input_panel_set_surface(virtual_keyboard->input_panel,
|
||||
window_get_wl_shell_surface(keyboard->window),
|
||||
output_get_wl_output(output));
|
||||
}
|
||||
|
||||
static void
|
||||
handle_output_configure(struct output *output, void *data)
|
||||
{
|
||||
struct virtual_keyboard *virtual_keyboard = data;
|
||||
|
||||
/* skip existing outputs */
|
||||
if (output_get_user_data(output))
|
||||
return;
|
||||
|
||||
output_set_user_data(output, virtual_keyboard);
|
||||
|
||||
keyboard_create(output, virtual_keyboard);
|
||||
}
|
||||
|
||||
int
|
||||
main(int argc, char *argv[])
|
||||
{
|
||||
struct virtual_keyboard virtual_keyboard;
|
||||
|
||||
virtual_keyboard.display = display_create(argc, argv);
|
||||
if (virtual_keyboard.display == NULL) {
|
||||
fprintf(stderr, "failed to create display: %m\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
wl_display_add_global_listener(display_get_display(virtual_keyboard.display),
|
||||
global_handler, &virtual_keyboard);
|
||||
|
||||
display_set_user_data(virtual_keyboard.display, &virtual_keyboard);
|
||||
display_set_output_configure_handler(virtual_keyboard.display, handle_output_configure);
|
||||
|
||||
display_run(virtual_keyboard.display);
|
||||
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user