From 5982658d62902e7a7ef845e499b42e8ba3510270 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Kristian=20H=C3=B8gsberg?= Date: Thu, 20 Jan 2011 11:56:57 -0500 Subject: [PATCH] Render selection --- clients/terminal.c | 106 ++++++++++++++++++++++++++++++++++++++++++++++++++--- clients/window.c | 5 +++ 2 files changed, 105 insertions(+), 6 deletions(-) diff --git a/clients/terminal.c b/clients/terminal.c index 2097400..9729268 100644 --- a/clients/terminal.c +++ b/clients/terminal.c @@ -395,6 +395,9 @@ struct terminal { struct wl_selection *selection; struct wl_selection_offer *selection_offer; uint32_t selection_offer_has_text; + int32_t dragging, selection_active; + int selection_start_x, selection_start_y; + int selection_end_x, selection_end_y; }; /* Create default tab stops, every 8 characters */ @@ -492,16 +495,62 @@ union decoded_attr { uint32_t key; }; +static int +terminal_compare_position(struct terminal *terminal, + int x, int y, int32_t ref_row, int32_t ref_col) +{ + struct rectangle allocation; + int top_margin, side_margin, col, row, ref_x; + + window_get_child_allocation(terminal->window, &allocation); + side_margin = allocation.x + (allocation.width - terminal->width * terminal->extents.max_x_advance) / 2; + top_margin = allocation.y + (allocation.height - terminal->height * terminal->extents.height) / 2; + + col = (x - side_margin) / terminal->extents.max_x_advance; + row = (y - top_margin) / terminal->extents.height; + + ref_x = side_margin + ref_col * terminal->extents.max_x_advance + + terminal->extents.max_x_advance / 2; + + if (row < ref_row) + return -1; + if (row == ref_row) { + if (col < ref_col) + return -1; + if (col == ref_col && x < ref_x) + return -1; + } + + return 1; +} + static void terminal_decode_attr(struct terminal *terminal, int row, int col, union decoded_attr *decoded) { struct attr attr; int foreground, background, tmp; + int inverse = 0, start_cmp, end_cmp; + + start_cmp = + terminal_compare_position(terminal, + terminal->selection_start_x, + terminal->selection_start_y, + row, col); + end_cmp = + terminal_compare_position(terminal, + terminal->selection_end_x, + terminal->selection_end_y, + row, col); + if (start_cmp < 0 && end_cmp > 0) + inverse = 1; + else if (end_cmp < 0 && start_cmp > 0) + inverse = 1; /* get the attributes for this character cell */ attr = terminal_get_attr_row(terminal, row)[col]; if ((attr.a & ATTRMASK_INVERSE) || + inverse || ((terminal->mode & MODE_SHOW_CURSOR) && terminal->focused && terminal->row == row && terminal->column == col)) { @@ -835,7 +884,6 @@ terminal_draw_contents(struct terminal *terminal) { struct rectangle allocation; cairo_t *cr; - cairo_font_extents_t extents; int top_margin, side_margin; int row, col; union utf8_char *p_row; @@ -844,6 +892,7 @@ terminal_draw_contents(struct terminal *terminal) cairo_surface_t *surface; double d; struct glyph_run run; + cairo_font_extents_t extents; window_get_child_allocation(terminal->window, &allocation); @@ -855,7 +904,7 @@ terminal_draw_contents(struct terminal *terminal) cairo_set_scaled_font(cr, terminal->font_normal); - cairo_font_extents(cr, &extents); + extents = terminal->extents; side_margin = (allocation.width - terminal->width * extents.max_x_advance) / 2; top_margin = (allocation.height - terminal->height * extents.height) / 2; @@ -1880,19 +1929,16 @@ static void selection_listener_send(void *data, struct wl_selection *selection, const char *mime_type, int fd) { - struct terminal *terminal = data; static const char msg[] = "selection data"; fprintf(stderr, "selection send, fd is %d\n", fd); - write(fd, msg, sizeof msg); + write(fd, msg, sizeof msg - 1); close(fd); } static void selection_listener_cancelled(void *data, struct wl_selection *selection) { - struct terminal *terminal = data; - fprintf(stderr, "selection cancelled\n"); wl_selection_destroy(selection); } @@ -1914,6 +1960,8 @@ selection_io_func(GIOChannel *source, GIOCondition condition, gpointer data) len = read(fd, buffer, sizeof buffer); fprintf(stderr, "read %d bytes: %.*s\n", len, len, buffer); + write(terminal->master, buffer, len); + close(fd); g_source_remove(terminal->tag); @@ -2102,6 +2150,50 @@ keyboard_focus_handler(struct window *window, window_schedule_redraw(terminal->window); } +static void +button_handler(struct window *window, + struct input *input, uint32_t time, + int button, int state, void *data) +{ + struct terminal *terminal = data; + + switch (button) { + case 272: + if (state) { + terminal->dragging = 1; + terminal->selection_active = 0; + input_get_position(input, + &terminal->selection_start_x, + &terminal->selection_start_y); + terminal->selection_end_x = terminal->selection_start_x; + terminal->selection_end_y = terminal->selection_start_y; + window_schedule_redraw(window); + } else { + terminal->dragging = 0; + } + break; + } +} + +static int +motion_handler(struct window *window, + struct input *input, uint32_t time, + int32_t x, int32_t y, + int32_t sx, int32_t sy, void *data) +{ + struct terminal *terminal = data; + + if (terminal->dragging) { + terminal->selection_active = 1; + input_get_position(input, + &terminal->selection_end_x, + &terminal->selection_end_y); + window_schedule_redraw(window); + } + + return POINTER_IBEAM; +} + static struct terminal * terminal_create(struct display *display, int fullscreen) { @@ -2136,6 +2228,8 @@ terminal_create(struct display *display, int fullscreen) window_set_key_handler(terminal->window, key_handler); window_set_keyboard_focus_handler(terminal->window, keyboard_focus_handler); + window_set_button_handler(terminal->window, button_handler); + window_set_motion_handler(terminal->window, motion_handler); surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 0, 0); cr = cairo_create(surface); diff --git a/clients/window.c b/clients/window.c index 6ddedaa..ce2164c 100644 --- a/clients/window.c +++ b/clients/window.c @@ -941,6 +941,11 @@ window_handle_pointer_focus(void *data, input->pointer_focus = wl_surface_get_user_data(surface); window = input->pointer_focus; + input->x = x; + input->y = y; + input->sx = sx; + input->sy = sy; + pointer = POINTER_LEFT_PTR; if (window->motion_handler) pointer = (*window->motion_handler)(window, -- 2.7.4