Scott Moreau
13 years ago
committed by
Kristian Høgsberg
parent
8dacaaba1b
commit
429490df1a
@ -0,0 +1,267 @@ |
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/*
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* Copyright © 2012 Scott Moreau |
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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 "compositor.h" |
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WL_EXPORT void |
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weston_text_cursor_position_notify(struct weston_surface *surface, |
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wl_fixed_t cur_pos_x, |
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wl_fixed_t cur_pos_y) |
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{ |
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struct weston_output *output; |
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wl_fixed_t global_x, global_y; |
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weston_surface_to_global_fixed(surface, cur_pos_x, cur_pos_y, |
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&global_x, &global_y); |
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wl_list_for_each(output, &surface->compositor->output_list, link) |
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if (output->zoom.active && |
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pixman_region32_contains_point(&output->region, |
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wl_fixed_to_int(global_x), |
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wl_fixed_to_int(global_y), |
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NULL)) { |
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output->zoom.text_cursor.x = global_x; |
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output->zoom.text_cursor.y = global_y; |
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weston_output_update_zoom(output, ZOOM_FOCUS_TEXT); |
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} |
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} |
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static void |
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weston_zoom_frame_z(struct weston_animation *animation, |
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struct weston_output *output, uint32_t msecs) |
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{ |
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if (animation->frame_counter <= 1) |
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output->zoom.spring_z.timestamp = msecs; |
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weston_spring_update(&output->zoom.spring_z, msecs); |
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if (output->zoom.spring_z.current > output->zoom.max_level) |
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output->zoom.spring_z.current = output->zoom.max_level; |
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else if (output->zoom.spring_z.current < 0.0) |
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output->zoom.spring_z.current = 0.0; |
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if (weston_spring_done(&output->zoom.spring_z)) { |
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if (output->zoom.level <= 0.0) |
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output->zoom.active = 0; |
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output->zoom.spring_z.current = output->zoom.level; |
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wl_list_remove(&animation->link); |
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wl_list_init(&animation->link); |
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} |
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output->dirty = 1; |
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weston_output_damage(output); |
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} |
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static void |
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weston_zoom_frame_xy(struct weston_animation *animation, |
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struct weston_output *output, uint32_t msecs) |
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{ |
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wl_fixed_t x, y; |
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if (animation->frame_counter <= 1) |
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output->zoom.spring_xy.timestamp = msecs; |
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weston_spring_update(&output->zoom.spring_xy, msecs); |
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x = output->zoom.from.x - ((output->zoom.from.x - output->zoom.to.x) * |
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output->zoom.spring_xy.current); |
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y = output->zoom.from.y - ((output->zoom.from.y - output->zoom.to.y) * |
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output->zoom.spring_xy.current); |
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output->zoom.current.x = x; |
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output->zoom.current.y = y; |
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if (weston_spring_done(&output->zoom.spring_xy)) { |
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output->zoom.spring_xy.current = output->zoom.spring_xy.target; |
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output->zoom.current.x = |
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(output->zoom.type == ZOOM_FOCUS_POINTER) ? |
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output->compositor->seat->pointer.x : |
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output->zoom.text_cursor.x; |
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output->zoom.current.y = |
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(output->zoom.type == ZOOM_FOCUS_POINTER) ? |
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output->compositor->seat->pointer.y : |
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output->zoom.text_cursor.y; |
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wl_list_remove(&animation->link); |
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wl_list_init(&animation->link); |
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} |
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output->dirty = 1; |
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weston_output_damage(output); |
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} |
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static void |
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zoom_area_center_from_pointer(struct weston_output *output, |
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wl_fixed_t *x, wl_fixed_t *y) |
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{ |
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float level = output->zoom.spring_z.current; |
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wl_fixed_t offset_x = wl_fixed_from_int(output->x); |
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wl_fixed_t offset_y = wl_fixed_from_int(output->y); |
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wl_fixed_t w = wl_fixed_from_int(output->current->width); |
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wl_fixed_t h = wl_fixed_from_int(output->current->height); |
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*x -= ((((*x - offset_x) / (float) w) - 0.5) * (w * (1.0 - level))); |
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*y -= ((((*y - offset_y) / (float) h) - 0.5) * (h * (1.0 - level))); |
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} |
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static void |
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weston_output_update_zoom_transform(struct weston_output *output) |
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{ |
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uint32_t type = output->zoom.type; |
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float global_x, global_y; |
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wl_fixed_t x = output->zoom.current.x; |
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wl_fixed_t y = output->zoom.current.y; |
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float trans_min, trans_max; |
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float ratio, level; |
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level = output->zoom.spring_z.current; |
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ratio = 1 / level; |
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if (!output->zoom.active || level > output->zoom.max_level) |
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return; |
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if (type == ZOOM_FOCUS_POINTER && |
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wl_list_empty(&output->zoom.animation_xy.link)) |
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zoom_area_center_from_pointer(output, &x, &y); |
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global_x = wl_fixed_to_double(x); |
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global_y = wl_fixed_to_double(y); |
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output->zoom.trans_x = |
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((((global_x - output->x) / output->current->width) * |
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(level * 2)) - level) * ratio; |
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output->zoom.trans_y = |
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((((global_y - output->y) / output->current->height) * |
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(level * 2)) - level) * ratio; |
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trans_max = level * 2 - level; |
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trans_min = -trans_max; |
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/* Clip zoom area to output */ |
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if (output->zoom.trans_x > trans_max) |
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output->zoom.trans_x = trans_max; |
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else if (output->zoom.trans_x < trans_min) |
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output->zoom.trans_x = trans_min; |
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if (output->zoom.trans_y > trans_max) |
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output->zoom.trans_y = trans_max; |
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else if (output->zoom.trans_y < trans_min) |
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output->zoom.trans_y = trans_min; |
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} |
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static void |
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weston_zoom_transition(struct weston_output *output, uint32_t type, |
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wl_fixed_t x, wl_fixed_t y) |
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{ |
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if (output->zoom.type != type) { |
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/* Set from/to points and start animation */ |
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output->zoom.spring_xy.current = 0.0; |
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output->zoom.spring_xy.previous = 0.0; |
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output->zoom.spring_xy.target = 1.0; |
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if (wl_list_empty(&output->zoom.animation_xy.link)) { |
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output->zoom.animation_xy.frame_counter = 0; |
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wl_list_insert(output->animation_list.prev, |
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&output->zoom.animation_xy.link); |
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output->zoom.from.x = (type == ZOOM_FOCUS_TEXT) ? |
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x : output->zoom.text_cursor.x; |
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output->zoom.from.y = (type == ZOOM_FOCUS_TEXT) ? |
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y : output->zoom.text_cursor.y; |
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} else { |
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output->zoom.from.x = output->zoom.current.x; |
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output->zoom.from.y = output->zoom.current.y; |
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} |
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output->zoom.to.x = (type == ZOOM_FOCUS_POINTER) ? |
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x : output->zoom.text_cursor.x; |
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output->zoom.to.y = (type == ZOOM_FOCUS_POINTER) ? |
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y : output->zoom.text_cursor.y; |
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output->zoom.current.x = output->zoom.from.x; |
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output->zoom.current.y = output->zoom.from.y; |
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output->zoom.type = type; |
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} |
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if (output->zoom.level != output->zoom.spring_z.current) { |
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output->zoom.spring_z.target = output->zoom.level; |
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if (wl_list_empty(&output->zoom.animation_z.link)) { |
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output->zoom.animation_z.frame_counter = 0; |
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wl_list_insert(output->animation_list.prev, |
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&output->zoom.animation_z.link); |
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} |
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} |
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output->dirty = 1; |
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weston_output_damage(output); |
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} |
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WL_EXPORT void |
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weston_output_update_zoom(struct weston_output *output, uint32_t type) |
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{ |
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wl_fixed_t x = output->compositor->seat->pointer.x; |
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wl_fixed_t y = output->compositor->seat->pointer.y; |
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zoom_area_center_from_pointer(output, &x, &y); |
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if (type == ZOOM_FOCUS_POINTER) { |
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if (wl_list_empty(&output->zoom.animation_xy.link)) { |
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output->zoom.current.x = |
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output->compositor->seat->pointer.x; |
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output->zoom.current.y = |
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output->compositor->seat->pointer.y; |
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} else { |
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output->zoom.to.x = x; |
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output->zoom.to.y = y; |
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} |
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} |
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if (type == ZOOM_FOCUS_TEXT) { |
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if (wl_list_empty(&output->zoom.animation_xy.link)) { |
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output->zoom.current.x = output->zoom.text_cursor.x; |
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output->zoom.current.y = output->zoom.text_cursor.y; |
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} else { |
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output->zoom.to.x = output->zoom.text_cursor.x; |
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output->zoom.to.y = output->zoom.text_cursor.y; |
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} |
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} |
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weston_zoom_transition(output, type, x, y); |
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weston_output_update_zoom_transform(output); |
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} |
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WL_EXPORT void |
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weston_output_init_zoom(struct weston_output *output) |
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{ |
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output->zoom.active = 0; |
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output->zoom.increment = 0.07; |
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output->zoom.max_level = 0.95; |
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output->zoom.level = 0.0; |
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output->zoom.trans_x = 0.0; |
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output->zoom.trans_y = 0.0; |
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output->zoom.type = ZOOM_FOCUS_POINTER; |
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weston_spring_init(&output->zoom.spring_z, 250.0, 0.0, 0.0); |
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output->zoom.spring_z.friction = 1000; |
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output->zoom.animation_z.frame = weston_zoom_frame_z; |
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wl_list_init(&output->zoom.animation_z.link); |
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weston_spring_init(&output->zoom.spring_xy, 250.0, 0.0, 0.0); |
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output->zoom.spring_xy.friction = 1000; |
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output->zoom.animation_xy.frame = weston_zoom_frame_xy; |
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wl_list_init(&output->zoom.animation_xy.link); |
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} |
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