Jan Arne Petersen
13 years ago
committed by
Kristian Høgsberg
parent
1f17be442e
commit
cba9e470ba
@ -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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@ -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 |
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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 |
||||||
|
* copyright notice and this permission notice appear in supporting |
||||||
|
* 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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#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) |
||||||
|
{ |
||||||
|
struct virtual_keyboard *keyboard = data; |
||||||
|
|
||||||
|
if (!strcmp(interface, "input_panel")) { |
||||||
|
keyboard->input_panel = wl_display_bind(display, id, &input_panel_interface); |
||||||
|
} else if (!strcmp(interface, "input_method")) { |
||||||
|
keyboard->input_method = wl_display_bind(display, id, &input_method_interface); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
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