From 33d0ac145ff1b69cb4175b34195b6e7067d84399 Mon Sep 17 00:00:00 2001
From: 9and3r <9and3r@gmai.com>
Date: Fri, 25 Jul 2014 13:53:59 +0200
Subject: [PATCH] Scrollbar in listview working
---
mopidy_touchscreen/.idea/workspace.xml | 153 ++++++++++++++++++-------
mopidy_touchscreen/list_view.py | 45 +++++++-
mopidy_touchscreen/screen_manager.py | 2 +-
mopidy_touchscreen/screen_objects.py | 42 +++++--
mopidy_touchscreen/tracklist.py | 7 +-
5 files changed, 189 insertions(+), 60 deletions(-)
diff --git a/mopidy_touchscreen/.idea/workspace.xml b/mopidy_touchscreen/.idea/workspace.xml
index 4c57dca..647ff75 100644
--- a/mopidy_touchscreen/.idea/workspace.xml
+++ b/mopidy_touchscreen/.idea/workspace.xml
@@ -23,16 +23,62 @@
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diff --git a/mopidy_touchscreen/list_view.py b/mopidy_touchscreen/list_view.py
index e19b54f..56784c0 100644
--- a/mopidy_touchscreen/list_view.py
+++ b/mopidy_touchscreen/list_view.py
@@ -1,6 +1,8 @@
from .screen_objects import ScreenObjectsManager
import logging
import pygame
+from .touch_manager import TouchManager
+from .touch_manager import TouchEvent
logger = logging.getLogger(__name__)
@@ -16,6 +18,7 @@ class ListView():
self.fonts = fonts
self.list_size = 0
self.list = []
+ self.scrollbar = False
self.set_list([])
@@ -23,20 +26,52 @@ class ListView():
def set_list(self, item_list):
self.list = item_list
self.list_size = len(item_list)
+ if self.max_rows < self.list_size:
+ self.scrollbar = True
+ self.screen_objects.add_scroll_bar("scrollbar", (self.pos[0]+self.size[0]-self.base_size,self.pos[1]), (self.base_size, self.size[1]),self.list_size,self.max_rows)
+ else:
+ self.scrollbar = False
self.load_new_item_position(0)
- logger.error(self.list_size)
- self.screen_objects.add_scroll_bar("scroll", (self.pos[0]+self.size[0]-self.base_size,self.pos[1]), (self.base_size, self.size[1]),self.list_size,self.max_rows)
def load_new_item_position(self, item_pos):
self.current_item = item_pos
+ if self.scrollbar:
+ self.screen_objects.clear("scrollbar")
+ else:
+ self.screen_objects.clear(None)
i = self.current_item
- logger.error(self.max_rows)
- while i < self.list_size and i - self.current_item < self.max_rows:
- self.screen_objects.add_touch_object(str(i),self.fonts['dejavusans'], str(self.list[i]), (self.pos[0],self.pos[1]+self.base_size*i),None, (255, 255, 255))
+ z = 0
+ while i < self.list_size and z < self.max_rows:
+ self.screen_objects.add_touch_object(str(i),self.fonts['dejavusans'], str(self.list[i]), (self.pos[0],self.pos[1]+self.base_size*z),None, (255, 255, 255))
i += 1
+ z += 1
def render(self, surface):
self.screen_objects.render(surface)
+ def touch_event(self, touch_event):
+ if touch_event.type == TouchManager.click:
+ objects = self.screen_objects.get_touch_objects_in_pos(touch_event.current_pos)
+ if objects is not None:
+ for key in objects:
+ if key == "scrollbar":
+ direction = self.screen_objects.get_touch_object(key).touch(touch_event.current_pos)
+ if direction != 0:
+ self.move_to(direction)
+
+
+ def move_to(self, direction):
+ if direction == 1:
+ self.current_item += self.max_rows
+ if self.current_item + self.max_rows > self.list_size:
+ self.current_item = self.list_size - self.max_rows
+ self.load_new_item_position(self.current_item)
+ self.screen_objects.get_touch_object("scrollbar").set_item(self.current_item)
+ elif direction == -1:
+ self.current_item -= self.max_rows
+ if self.current_item < 0:
+ self.current_item = 0
+ self.load_new_item_position(self.current_item)
+ self.screen_objects.get_touch_object("scrollbar").set_item(self.current_item)
diff --git a/mopidy_touchscreen/screen_manager.py b/mopidy_touchscreen/screen_manager.py
index 35c6bf2..19e8bf3 100644
--- a/mopidy_touchscreen/screen_manager.py
+++ b/mopidy_touchscreen/screen_manager.py
@@ -82,7 +82,7 @@ class ScreenManager():
logger.error(self.core.tracklist.random)
self.core.tracklist.random = not self.core.tracklist.random
#self.backend.tell({'action':'random','value':random})
- self.screens[0].touch_event(touch_event)
+ self.screens[self.current_screen].touch_event(touch_event)
def volume_changed(self, volume):
self.screen_objects_manager.get_touch_object("volume").set_value(volume)
diff --git a/mopidy_touchscreen/screen_objects.py b/mopidy_touchscreen/screen_objects.py
index 90e9073..7e7d140 100644
--- a/mopidy_touchscreen/screen_objects.py
+++ b/mopidy_touchscreen/screen_objects.py
@@ -1,13 +1,13 @@
import pygame
import logging
+import math
logger = logging.getLogger(__name__)
+
class ScreenObjectsManager():
-
-
- def __init__(self,base_size):
+ def __init__(self, base_size):
self.base_size = base_size
self.touch_objects = {}
self.text_objects = {}
@@ -45,6 +45,13 @@ class ScreenObjectsManager():
objects.append(key)
return objects
+ def clear(self, mantain):
+ if mantain is not None:
+ object = self.get_touch_object(mantain)
+ self.touch_objects = {}
+ if mantain is not None:
+ self.touch_objects[mantain] = object
+
class BaseItem():
@@ -88,7 +95,6 @@ class TextItem(BaseItem):
self.fit_horizontal = True
self.fit_vertical = True
-
def update(self):
if not self.fit_horizontal:
if self.text == self.original_text:
@@ -105,7 +111,7 @@ class TextItem(BaseItem):
new_text = new_text + self.text[:1]
self.text = new_text
else:
- self.step = self.step + 1
+ self.step += 1
def render(self,surface):
if self.fit_horizontal:
@@ -120,6 +126,7 @@ class TextItem(BaseItem):
else:
TextItem.__init__(self, self.font, text, self.pos, self.pos2, self.color, self.text_size)
+
class TouchObject(BaseItem):
def __init__(self,pos,pos2):
@@ -132,6 +139,7 @@ class TouchObject(BaseItem):
def set_active(self, active):
self.active = active
+
class TouchAndTextItem(TouchObject, TextItem):
def __init__(self, font, text, pos, pos2, color,text_size):
@@ -149,6 +157,7 @@ class TouchAndTextItem(TouchObject, TextItem):
color = (255,255,255)
TextItem.__init__(self.font,self.text,self.pos,self.pos2,color,self.text_size)
+
class Progressbar(TouchObject, TextItem):
def __init__(self,font,text, pos, pos2, max,size, value_text):
@@ -192,9 +201,11 @@ class Progressbar(TouchObject, TextItem):
def set_text(self, text):
self.text.set_text(text , True)
+
class ScrollBar(TouchObject):
def __init__(self, pos, size, max, items_on_screen):
+ BaseItem.__init__(self, pos, (pos[0]+size[0],pos[1]+size[1]))
self.pos = pos
self.size = size
self.max = max
@@ -202,14 +213,27 @@ class ScrollBar(TouchObject):
self.current_item = 0
self.back_bar = pygame.Surface(self.size)
self.back_bar.fill((255,255,255))
+ self.bar_pos = 0
if self.max < 1:
self.barsize = self.size[1]
else:
- self.barsize = float(self.items_on_screen)/float(self.max) * float(self.size[1])
- logger.error(self.barsize)
+ self.barsize = math.ceil(float(self.items_on_screen)/float(self.max) * float(self.size[1]))
self.bar = pygame.Surface((self.size[0],self.barsize))
- self.bar.fill((255,255,0))
+ self.bar.fill((255, 255, 0))
def render(self, surface):
surface.blit(self.back_bar, self.pos)
- surface.blit(self.bar,self.pos)
\ No newline at end of file
+ surface.blit(self.bar, (self.pos[0], self.pos[1]+self.bar_pos))
+
+ def touch(self, pos):
+ if pos[1] < self.pos[1]+self.bar_pos:
+ return -1
+ elif pos[1] > self.pos[1] + self.bar_pos + self.barsize:
+ return 1
+ else:
+ return 0
+
+ def set_item(self, current_item):
+ logger.error(current_item)
+ self.current_item = current_item
+ self.bar_pos = float(self.current_item)/float(self.max) * float(self.size[1])
\ No newline at end of file
diff --git a/mopidy_touchscreen/tracklist.py b/mopidy_touchscreen/tracklist.py
index aa8dd2f..0dc94f7 100644
--- a/mopidy_touchscreen/tracklist.py
+++ b/mopidy_touchscreen/tracklist.py
@@ -7,10 +7,13 @@ class Tracklist():
self.size = size
self.base_size = base_size
self.list_view = ListView((0,self.base_size),(self.size[0],self.size[1]-2*self.base_size), self.base_size, manager.fonts)
- self.list_view.set_list(["track 1","track 2","track 1","track 2","track 1","track 2","track 1","track 2","track 1","track 2"])
+ self.list_view.set_list(["track 1","track 2","track 3","track 4","track 5","track 6","track 7","track 8","track 9","track 10","track 11","track 12","track 13","track 14"])
def update(self, screen):
pass
def update(self, screen):
- self.list_view.render(screen)
\ No newline at end of file
+ self.list_view.render(screen)
+
+ def touch_event(self, touch_event):
+ self.list_view.touch_event(touch_event)
\ No newline at end of file