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aseprite/src/widgets/statebar.cpp

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/* ASE - Allegro Sprite Editor
* Copyright (C) 2001-2010 David Capello
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <allegro.h>
#include <cstdarg>
#include <cstdio>
#include <cstring>
#include "jinete/jinete.h"
#include "app.h"
#include "commands/commands.h"
#include "commands/params.h"
#include "core/core.h"
#include "modules/editors.h"
#include "modules/gfx.h"
#include "modules/gui.h"
#include "modules/palettes.h"
#include "modules/skinneable_theme.h"
#include "raster/cel.h"
#include "raster/layer.h"
#include "raster/sprite.h"
#include "raster/undo.h"
#include "sprite_wrappers.h"
#include "tools/tool.h"
#include "ui_context.h"
#include "util/misc.h"
#include "widgets/editor.h"
#include "widgets/statebar.h"
enum {
ACTION_FIRST,
ACTION_PREV,
ACTION_PLAY,
ACTION_NEXT,
ACTION_LAST,
};
static bool tipwindow_msg_proc(JWidget widget, JMessage msg);
static bool slider_change_hook(JWidget widget, void *data);
static void button_command(JWidget widget, void *data);
static int statusbar_type()
{
static int type = 0;
if (!type)
type = ji_register_widget_type();
return type;
}
StatusBar::StatusBar()
: Widget(statusbar_type())
{
#define BUTTON_NEW(name, text, data) \
{ \
(name) = jbutton_new(text); \
(name)->user_data[0] = this; \
setup_mini_look(name); \
jbutton_add_command_data((name), button_command, (void *)(data)); \
}
#define ICON_NEW(name, icon, action) \
{ \
BUTTON_NEW((name), NULL, (action)); \
add_gfxicon_to_button((name), (icon), JI_CENTER | JI_MIDDLE); \
}
jwidget_focusrest(this, true);
m_timeout = 0;
m_state = SHOW_TEXT;
m_progress = jlist_new();
m_tipwindow = NULL;
m_hot_layer = -1;
// Construct the commands box
Widget* box1 = jbox_new(JI_HORIZONTAL);
Widget* box2 = jbox_new(JI_HORIZONTAL | JI_HOMOGENEOUS);
Widget* box3 = jbox_new(JI_HORIZONTAL);
m_slider = jslider_new(0, 255, 255);
setup_mini_look(m_slider);
ICON_NEW(m_b_first, GFX_ANI_FIRST, ACTION_FIRST);
ICON_NEW(m_b_prev, GFX_ANI_PREV, ACTION_PREV);
ICON_NEW(m_b_play, GFX_ANI_PLAY, ACTION_PLAY);
ICON_NEW(m_b_next, GFX_ANI_NEXT, ACTION_NEXT);
ICON_NEW(m_b_last, GFX_ANI_LAST, ACTION_LAST);
HOOK(m_slider, JI_SIGNAL_SLIDER_CHANGE, slider_change_hook, 0);
jwidget_set_min_size(m_slider, JI_SCREEN_W/5, 0);
jwidget_set_border(this, 1*jguiscale(), 0, 0, 0);
jwidget_set_border(box1, 2*jguiscale(), 1*jguiscale(), 2*jguiscale(), 2*jguiscale());
jwidget_noborders(box2);
jwidget_noborders(box3);
jwidget_expansive(box3, true);
jwidget_add_child(box2, m_b_first);
jwidget_add_child(box2, m_b_prev);
jwidget_add_child(box2, m_b_play);
jwidget_add_child(box2, m_b_next);
jwidget_add_child(box2, m_b_last);
jwidget_add_child(box1, box3);
jwidget_add_child(box1, box2);
jwidget_add_child(box1, m_slider);
m_commandsBox = box1;
App::instance()->CurrentToolChange.connect(&StatusBar::onCurrentToolChange, this);
}
StatusBar::~StatusBar()
{
JLink link;
JI_LIST_FOR_EACH(m_progress, link) {
jfree(link->data);
}
jlist_free(m_progress);
if (m_tipwindow != NULL)
jwidget_free(m_tipwindow);
}
void StatusBar::onCurrentToolChange()
{
if (isVisible()) {
Tool* currentTool = UIContext::instance()->getSettings()->getCurrentTool();
if (currentTool) {
this->showTool(500, currentTool);
this->setTextf("%s Selected", currentTool->getText().c_str());
}
}
}
void StatusBar::clearText()
{
setStatusText(1, "");
}
bool StatusBar::setStatusText(int msecs, const char *format, ...)
{
if ((ji_clock > m_timeout) || (msecs > 0)) {
char buf[256]; // TODO warning buffer overflow
va_list ap;
va_start(ap, format);
vsprintf(buf, format, ap);
va_end(ap);
m_timeout = ji_clock + msecs;
m_state = SHOW_TEXT;
this->setText(buf);
this->dirty();
return true;
}
else
return false;
}
void StatusBar::showTip(int msecs, const char *format, ...)
{
char buf[256]; // TODO warning buffer overflow
va_list ap;
int x, y;
va_start(ap, format);
vsprintf(buf, format, ap);
va_end(ap);
if (m_tipwindow == NULL) {
m_tipwindow = new TipWindow(buf);
m_tipwindow->user_data[0] = (void *)jmanager_add_timer(m_tipwindow, msecs);
m_tipwindow->user_data[1] = this;
jwidget_add_hook(m_tipwindow, -1, tipwindow_msg_proc, NULL);
}
else {
m_tipwindow->setText(buf);
jmanager_set_timer_interval((size_t)m_tipwindow->user_data[0], msecs);
}
if (m_tipwindow->isVisible())
m_tipwindow->closeWindow(NULL);
m_tipwindow->open_window();
m_tipwindow->remap_window();
x = this->rc->x2 - jrect_w(m_tipwindow->rc);
y = this->rc->y1 - jrect_h(m_tipwindow->rc);
m_tipwindow->position_window(x, y);
jmanager_start_timer((size_t)m_tipwindow->user_data[0]);
// Set the text in status-bar (with inmediate timeout)
m_timeout = ji_clock;
this->setText(buf);
this->dirty();
}
void StatusBar::showColor(int msecs, const char* text, color_t color, int alpha)
{
if (setStatusText(msecs, text)) {
m_state = SHOW_COLOR;
m_color = color;
m_alpha = alpha;
}
}
void StatusBar::showTool(int msecs, Tool* tool)
{
ASSERT(tool != NULL);
// Tool name
std::string text = tool->getText();
// Tool shortcut
JAccel accel = get_accel_to_change_tool(tool);
if (accel) {
char buf[512]; // TODO possible buffer overflow
jaccel_to_string(accel, buf);
text += ", Shortcut: ";
text += buf;
}
// Set text
if (setStatusText(msecs, text.c_str())) {
// Show tool
m_state = SHOW_TOOL;
m_tool = tool;
}
}
//////////////////////////////////////////////////////////////////////
// Progress bars stuff
Progress* StatusBar::addProgress()
{
Progress* progress = new Progress(this);
jlist_append(m_progress, progress);
jwidget_dirty(this);
return progress;
}
void StatusBar::removeProgress(Progress* progress)
{
ASSERT(progress->m_statusbar == this);
jlist_remove(m_progress, progress);
jwidget_dirty(this);
}
Progress::Progress(StatusBar* statusbar)
: m_statusbar(statusbar)
, m_pos(0.0f)
{
}
Progress::~Progress()
{
if (m_statusbar) {
m_statusbar->removeProgress(this);
m_statusbar = NULL;
}
}
void Progress::setPos(float pos)
{
if (m_pos != pos) {
m_pos = pos;
m_statusbar->dirty();
}
}
float Progress::getPos() const
{
return m_pos;
}
//////////////////////////////////////////////////////////////////////
// StatusBar message handler
bool StatusBar::onProcessMessage(JMessage msg)
{
switch (msg->type) {
case JM_REQSIZE:
msg->reqsize.w = msg->reqsize.h =
4*jguiscale()
+ jwidget_get_text_height(this)
+ 4*jguiscale();
return true;
case JM_SETPOS:
jrect_copy(this->rc, &msg->setpos.rect);
{
JRect rc = jrect_new_copy(this->rc);
rc->x2 -= jrect_w(rc)/4 + 4*jguiscale();
jwidget_set_rect(m_commandsBox, rc);
jrect_free(rc);
}
return true;
case JM_CLOSE:
if (!jwidget_has_child(this, m_commandsBox)) {
/* append the "commands_box" to destroy it in the jwidget_free */
jwidget_add_child(this, m_commandsBox);
}
break;
case JM_DRAW: {
SkinneableTheme* theme = static_cast<SkinneableTheme*>(this->theme);
int text_color = ji_color_foreground();
int face_color = ji_color_face();
JRect rc = jwidget_get_rect(this);
BITMAP *doublebuffer = create_bitmap(jrect_w(&msg->draw.rect),
jrect_h(&msg->draw.rect));
jrect_displace(rc,
-msg->draw.rect.x1,
-msg->draw.rect.y1);
clear_to_color(doublebuffer, face_color);
putpixel(doublebuffer, rc->x1, rc->y1, theme->get_tab_selected_face_color());
putpixel(doublebuffer, rc->x2-1, rc->y1, theme->get_tab_selected_face_color());
rc->x1 += 2*jguiscale();
rc->y1 += 1*jguiscale();
rc->x2 -= 2*jguiscale();
rc->y2 -= 2*jguiscale();
int x = rc->x1+4*jguiscale();
// Color
if (m_state == SHOW_COLOR) {
// Draw eyedropper icon
BITMAP* icon = theme->get_toolicon("eyedropper");
if (icon) {
set_alpha_blender();
draw_trans_sprite(doublebuffer, icon,
x, (rc->y1+rc->y2)/2-icon->h/2);
x += icon->w + 4*jguiscale();
}
// Draw color
draw_color_button(doublebuffer, Rect(x, rc->y1, 32*jguiscale(), rc->y2-rc->y1),
true, true, true, true,
true, true, true, true,
app_get_current_image_type(), m_color,
false, false);
x += (32+4)*jguiscale();
// Draw color description
char buf[512]; // TODO warning buffer overflow
color_to_formalstring(app_get_current_image_type(),
m_color, buf, sizeof(buf), true);
if (m_alpha < 255)
usprintf(buf+ustrlen(buf), ", Alpha %d", m_alpha);
textout_ex(doublebuffer, this->getFont(), buf,
x, (rc->y1+rc->y2)/2-text_height(this->getFont())/2,
text_color, -1);
x += ji_font_text_len(this->getFont(), buf) + 4*jguiscale();
}
// Show tool
if (m_state == SHOW_TOOL) {
// Draw eyedropper icon
BITMAP* icon = theme->get_toolicon(m_tool->getId().c_str());
if (icon) {
set_alpha_blender();
draw_trans_sprite(doublebuffer, icon,
x, (rc->y1+rc->y2)/2-icon->h/2);
}
x += icon->w + 4*jguiscale();
}
// Status bar text
if (this->getTextSize() > 0) {
textout_ex(doublebuffer, this->getFont(), this->getText(),
x,
(rc->y1+rc->y2)/2-text_height(this->getFont())/2,
text_color, -1);
x += ji_font_text_len(this->getFont(), this->getText()) + 4*jguiscale();
}
// Draw progress bar
if (!jlist_empty(m_progress)) {
int width = 64;
int y1, y2;
int x = rc->x2 - (width+4);
JLink link;
y1 = rc->y1;
y2 = rc->y2-1;
JI_LIST_FOR_EACH(m_progress, link) {
Progress* progress = reinterpret_cast<Progress*>(link->data);
draw_progress_bar(doublebuffer,
x, y1, x+width-1, y2,
progress->getPos());
x -= width+4;
}
}
else {
// Available width for layers buttons
int width = jrect_w(rc)/4;
// Draw layers
try {
--rc->y2;
const CurrentSpriteReader sprite(UIContext::instance());
if (sprite) {
const LayerFolder* folder = sprite->getFolder();
LayerConstIterator it = folder->get_layer_begin();
LayerConstIterator end = folder->get_layer_end();
int count = folder->get_layers_count();
char buf[256];
for (int c=0; it != end; ++it, ++c) {
int x1 = rc->x2-width + c*width/count;
int x2 = rc->x2-width + (c+1)*width/count;
bool hot = (*it == sprite->getCurrentLayer())
|| (c == m_hot_layer);
theme->draw_bounds_nw(doublebuffer,
x1, rc->y1, x2, rc->y2,
hot ? PART_TOOLBUTTON_HOT_NW:
PART_TOOLBUTTON_NORMAL_NW,
hot ? theme->get_button_hot_face_color():
theme->get_button_normal_face_color());
if (count == 1)
uszprintf(buf, sizeof(buf), "%s", (*it)->get_name().c_str());
else
{
if (c+'A' <= 'Z')
usprintf(buf, "%c", c+'A');
else
usprintf(buf, "%d", c-('Z'-'A'));
}
textout_centre_ex(doublebuffer, this->getFont(), buf,
(x1+x2)/2,
(rc->y1+rc->y2)/2-text_height(this->getFont())/2,
hot ? theme->get_button_hot_text_color():
theme->get_button_normal_text_color(), -1);
}
}
else {
int x1 = rc->x2-width;
int x2 = rc->x2;
bool hot = (0 == m_hot_layer);
theme->draw_bounds_nw(doublebuffer,
x1, rc->y1, x2, rc->y2,
hot ? PART_TOOLBUTTON_HOT_NW:
PART_TOOLBUTTON_NORMAL_NW,
hot ? theme->get_button_hot_face_color():
theme->get_button_normal_face_color());
textout_centre_ex(doublebuffer, this->getFont(), "Donate",
(x1+x2)/2,
(rc->y1+rc->y2)/2-text_height(this->getFont())/2,
hot ? theme->get_button_hot_text_color():
theme->get_button_normal_text_color(), -1);
}
}
catch (LockedSpriteException&) {
// Do nothing...
}
}
jrect_free(rc);
blit(doublebuffer, ji_screen, 0, 0,
msg->draw.rect.x1,
msg->draw.rect.y1,
doublebuffer->w,
doublebuffer->h);
destroy_bitmap(doublebuffer);
return true;
}
case JM_MOUSEENTER: {
bool state = (UIContext::instance()->get_current_sprite() != NULL);
if (!jwidget_has_child(this, m_commandsBox) && state) {
m_b_first->setEnabled(state);
m_b_prev->setEnabled(state);
m_b_play->setEnabled(state);
m_b_next->setEnabled(state);
m_b_last->setEnabled(state);
updateFromLayer();
jwidget_add_child(this, m_commandsBox);
jwidget_dirty(this);
}
else {
// Status text for donations
setStatusText(0, "Click the \"Donate\" button to support ASE development");
}
break;
}
case JM_MOTION: {
JRect rc = jwidget_get_rect(this);
rc->x1 += 2*jguiscale();
rc->y1 += 1*jguiscale();
rc->x2 -= 2*jguiscale();
rc->y2 -= 2*jguiscale();
// Available width for layers buttons
int width = jrect_w(rc)/4;
// Check layers bounds
try {
--rc->y2;
int hot_layer = -1;
const CurrentSpriteReader sprite(UIContext::instance());
// Check which sprite's layer has the mouse over
if (sprite) {
const LayerFolder* folder = sprite->getFolder();
LayerConstIterator it = folder->get_layer_begin();
LayerConstIterator end = folder->get_layer_end();
int count = folder->get_layers_count();
for (int c=0; it != end; ++it, ++c) {
int x1 = rc->x2-width + c*width/count;
int x2 = rc->x2-width + (c+1)*width/count;
if (Rect(Point(x1, rc->y1),
Point(x2, rc->y2)).contains(Point(msg->mouse.x,
msg->mouse.y))) {
hot_layer = c;
break;
}
}
}
// Check if the "Donate" button has the mouse over
else {
int x1 = rc->x2-width;
int x2 = rc->x2;
if (Rect(Point(x1, rc->y1),
Point(x2, rc->y2)).contains(Point(msg->mouse.x,
msg->mouse.y))) {
hot_layer = 0;
}
}
if (m_hot_layer != hot_layer) {
m_hot_layer = hot_layer;
dirty();
}
}
catch (LockedSpriteException&) {
// Do nothing...
}
break;
}
case JM_BUTTONPRESSED:
// When the user press the mouse-button over a hot-layer-button...
if (m_hot_layer >= 0) {
try {
CurrentSpriteWriter sprite(UIContext::instance());
if (sprite) {
Layer* layer = sprite->indexToLayer(m_hot_layer);
if (layer) {
// Set the current layer
if (layer != sprite->getCurrentLayer())
sprite->setCurrentLayer(layer);
// Flash the current layer
ASSERT(current_editor != NULL); // Cannot be null when we have a current sprite
current_editor->flashCurrentLayer();
// Redraw the status-bar
dirty();
}
}
else {
// Call "Donate" command
Command* donate = CommandsModule::instance()
->get_command_by_name(CommandId::donate);
Params params;
UIContext::instance()->execute_command(donate, &params);
}
}
catch (LockedSpriteException&) {
// Do nothing...
}
}
break;
case JM_MOUSELEAVE:
if (jwidget_has_child(this, m_commandsBox)) {
// If we want restore the state-bar and the slider doesn't have
// the capture...
if (jmanager_get_capture() != m_slider) {
// ...exit from command mode
jmanager_free_focus(); // TODO Review this code
jwidget_remove_child(this, m_commandsBox);
jwidget_dirty(this);
}
if (m_hot_layer >= 0) {
m_hot_layer = -1;
dirty();
}
}
break;
}
return Widget::onProcessMessage(msg);
}
static bool tipwindow_msg_proc(JWidget widget, JMessage msg)
{
switch (msg->type) {
case JM_DESTROY:
jmanager_remove_timer((size_t)widget->user_data[0]);
break;
case JM_TIMER:
static_cast<Frame*>(widget)->closeWindow(NULL);
break;
}
return false;
}
static bool slider_change_hook(JWidget widget, void *data)
{
try {
CurrentSpriteWriter sprite(UIContext::instance());
if (sprite) {
if ((sprite->getCurrentLayer()) &&
(sprite->getCurrentLayer()->is_image())) {
Cel* cel = ((LayerImage*)sprite->getCurrentLayer())->get_cel(sprite->getCurrentFrame());
if (cel) {
// Update the opacity
cel->opacity = jslider_get_value(widget);
// Update the editors
update_screen_for_sprite(sprite);
}
}
}
}
catch (LockedSpriteException&) {
// do nothing
}
return false;
}
static void button_command(JWidget widget, void *data)
{
Command* cmd = NULL;
switch ((size_t)data) {
//case ACTION_LAYER: cmd = CommandsModule::instance()->get_command_by_name(CommandId::layer_properties); break;
case ACTION_FIRST: cmd = CommandsModule::instance()->get_command_by_name(CommandId::goto_first_frame); break;
case ACTION_PREV: cmd = CommandsModule::instance()->get_command_by_name(CommandId::goto_previous_frame); break;
case ACTION_PLAY: cmd = CommandsModule::instance()->get_command_by_name(CommandId::play_animation); break;
case ACTION_NEXT: cmd = CommandsModule::instance()->get_command_by_name(CommandId::goto_next_frame); break;
case ACTION_LAST: cmd = CommandsModule::instance()->get_command_by_name(CommandId::goto_last_frame); break;
}
if (cmd)
UIContext::instance()->execute_command(cmd);
}
void StatusBar::updateFromLayer()
{
try {
const CurrentSpriteReader sprite(UIContext::instance());
Cel *cel;
// Opacity layer
if (sprite &&
sprite->getCurrentLayer() &&
sprite->getCurrentLayer()->is_image() &&
!sprite->getCurrentLayer()->is_background() &&
(cel = ((LayerImage*)sprite->getCurrentLayer())->get_cel(sprite->getCurrentFrame()))) {
jslider_set_value(m_slider, MID(0, cel->opacity, 255));
m_slider->setEnabled(true);
}
else {
jslider_set_value(m_slider, 255);
m_slider->setEnabled(false);
}
}
catch (LockedSpriteException&) {
// Disable all
m_slider->setEnabled(false);
}
}
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